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Gynecology_Novak
Patients treated with radical hysterectomy who have intermediate or high risk factors have a 30% and 40% risk, respectively, of recurrence within 3 years (100–102). Lesion Size Lesion size is an independent predictor of survival. Patients with lesions smaller than 2 cm have a survival rate of approximately 90%, and pat...
Gynecology_Novak. Patients treated with radical hysterectomy who have intermediate or high risk factors have a 30% and 40% risk, respectively, of recurrence within 3 years (100–102). Lesion Size Lesion size is an independent predictor of survival. Patients with lesions smaller than 2 cm have a survival rate of approxim...
Surgery_Schwartz
sloping upward from the C-loop of the duodenum to the splenic hilum (Fig. 33-1). In an adult, the pancreas weighs 75 to 100 g and is about 15 to 20 cm long. The fact that the pan-creas is situated so deeply in the abdomen and is sealed in the retroperitoneum explains the poorly localized and sometimes ill-defined natur...
Surgery_Schwartz. sloping upward from the C-loop of the duodenum to the splenic hilum (Fig. 33-1). In an adult, the pancreas weighs 75 to 100 g and is about 15 to 20 cm long. The fact that the pan-creas is situated so deeply in the abdomen and is sealed in the retroperitoneum explains the poorly localized and sometimes...
Pharmacology_Katzung
2. Indications: Although said to be equivalent to aspirin as an analgesic and antipyretic agent, acetaminophen lacks anti-inflammatory properties. It does not affect uric acid levels and lacks platelet-inhibiting effects. The drug is useful in mild to moderate pain such as headache, myalgia, postpartum pain, and other ...
Pharmacology_Katzung. 2. Indications: Although said to be equivalent to aspirin as an analgesic and antipyretic agent, acetaminophen lacks anti-inflammatory properties. It does not affect uric acid levels and lacks platelet-inhibiting effects. The drug is useful in mild to moderate pain such as headache, myalgia, postp...
Surgery_Schwartz
surgical diseases: a modelling study. Lancet Glob Health. 2015;3(suppl 2):S21-S27. 145. United Nations Population Fund (UNFPA); Providing emer-gency obstetric and newborn care to all in need. Available at: http://www.unfpa.org/public/mothers/pid/4385. Accessed August 22, 2018. 146. Marseille E, Larson B, Kazi DS, et al...
Surgery_Schwartz. surgical diseases: a modelling study. Lancet Glob Health. 2015;3(suppl 2):S21-S27. 145. United Nations Population Fund (UNFPA); Providing emer-gency obstetric and newborn care to all in need. Available at: http://www.unfpa.org/public/mothers/pid/4385. Accessed August 22, 2018. 146. Marseille E, Larson...
Neurology_Adams
Monocular diplopia occurs most commonly in relation to diseases of the cornea and lens rather than the retina; usually the images are overlapping or superimposed rather than discrete. In most cases, monocular diplopia can be traced to a lenticular distortion or displacement but in some, no abnormality can be found and ...
Neurology_Adams. Monocular diplopia occurs most commonly in relation to diseases of the cornea and lens rather than the retina; usually the images are overlapping or superimposed rather than discrete. In most cases, monocular diplopia can be traced to a lenticular distortion or displacement but in some, no abnormality ...
Immunology_Janeway
Experiments with mice transgenic for rearranged T-cell receptor genes show clearly that the specificity of the T-cell receptor for self peptide:self MHC complexes determines which co-receptor a mature T cell will express. If the transgenes encode a T-cell receptor specific for antigen presented by self MHC class I mole...
Immunology_Janeway. Experiments with mice transgenic for rearranged T-cell receptor genes show clearly that the specificity of the T-cell receptor for self peptide:self MHC complexes determines which co-receptor a mature T cell will express. If the transgenes encode a T-cell receptor specific for antigen presented by s...
Psichiatry_DSM-5
Physical violence may take the form of rape, assault, or, in rare cases, homicide. Deliberate destruction of others’ property may include deliberate fire setting with the intention of caus- ing serious damage (Criterion A8) or deliberate destroying of other people’s property in other ways (e.g., smashing car windows, v...
Psichiatry_DSM-5. Physical violence may take the form of rape, assault, or, in rare cases, homicide. Deliberate destruction of others’ property may include deliberate fire setting with the intention of caus- ing serious damage (Criterion A8) or deliberate destroying of other people’s property in other ways (e.g., smash...
Surgery_Schwartz
between the neck of the pancreas and the portal and superior mesenteric veins.Celiaclymph nodeHepaticlymph nodePyloriclymph nodeAnteriorpancreatico-duodenallymph nodePosteriorpancreaticoduodenallymph nodeSuperior mesentericlymph nodeInferiorbodySuperior body Splenic lymphnodeDuodenumSpleenFigure 33-6. Lymphatic supply ...
Surgery_Schwartz. between the neck of the pancreas and the portal and superior mesenteric veins.Celiaclymph nodeHepaticlymph nodePyloriclymph nodeAnteriorpancreatico-duodenallymph nodePosteriorpancreaticoduodenallymph nodeSuperior mesentericlymph nodeInferiorbodySuperior body Splenic lymphnodeDuodenumSpleenFigure 33-6....
Psichiatry_DSM-5
It can also occur upon awakening from a daytime nap. During that period, the individual appears awake, but there is a decline in motor dexterity, behavior may be very inappro- priate, and memory deficits, disorientation in time and space, and feelings of grogginess may occur. This period may last some minutes to hours....
Psichiatry_DSM-5. It can also occur upon awakening from a daytime nap. During that period, the individual appears awake, but there is a decline in motor dexterity, behavior may be very inappro- priate, and memory deficits, disorientation in time and space, and feelings of grogginess may occur. This period may last some...
Neurology_Adams
In the spheres of speech and language, a number of abnormalities other than Broca aphasia appear in conjunction with disease of the frontal lobes: laconic speech, lack of spontaneity of speech, telegrammatic speech (agrammatism), loss of fluency, perseveration of speech, a tendency to whisper instead of speaking aloud,...
Neurology_Adams. In the spheres of speech and language, a number of abnormalities other than Broca aphasia appear in conjunction with disease of the frontal lobes: laconic speech, lack of spontaneity of speech, telegrammatic speech (agrammatism), loss of fluency, perseveration of speech, a tendency to whisper instead o...
Obstentrics_Williams
Calcium and magnesium promote the biosynthesis and secretion of calcitonin. Various gastric hormones-gastrin, pentagastrin, glucagon, and pancreozymin-and food ingestion also increase calcitonin plasma levels. In normal pregnancy, unlike their fetal counterparts, the maternal adrenal glands undergo little, if any, morp...
Obstentrics_Williams. Calcium and magnesium promote the biosynthesis and secretion of calcitonin. Various gastric hormones-gastrin, pentagastrin, glucagon, and pancreozymin-and food ingestion also increase calcitonin plasma levels. In normal pregnancy, unlike their fetal counterparts, the maternal adrenal glands underg...
Cell_Biology_Alberts
(Adapted from A. Radzicka and R. Wolfenden, Science 267:90–93, 1995.) catalysis. (A) The start of the uncatalyzed reaction that hydrolyzes a peptide bond, with blue shading used to indicate electron distribution in the water and carbonyl bonds. (B) An acid likes to donate a proton (H+) to other atoms. By pairing with t...
Cell_Biology_Alberts. (Adapted from A. Radzicka and R. Wolfenden, Science 267:90–93, 1995.) catalysis. (A) The start of the uncatalyzed reaction that hydrolyzes a peptide bond, with blue shading used to indicate electron distribution in the water and carbonyl bonds. (B) An acid likes to donate a proton (H+) to other at...
Neurology_Adams
Incipient respiratory failure is usually marked by a reduction of vital capacity, often accompanied by restlessness, anxiety, diaphoresis, or tremor. Once the diaphragm fails, movements of the chest wall and abdomen become paradoxical (the abdomen moves inward during inspiration) or there may be shallow excursions of t...
Neurology_Adams. Incipient respiratory failure is usually marked by a reduction of vital capacity, often accompanied by restlessness, anxiety, diaphoresis, or tremor. Once the diaphragm fails, movements of the chest wall and abdomen become paradoxical (the abdomen moves inward during inspiration) or there may be shallo...
InternalMed_Harrison
Isocyanates (TDI, Production of polyurethane foams, plastics, Mucous membrane irritation, dyspnea, Upper respiratory tract irritation, cough, HDI, MDI) adhesives, surface coatings cough, wheeze, pulmonary edema asthma, hypersensitivity pneumonitis, reduced lung function Nitrogen dioxide Silage, metal etching, explosive...
InternalMed_Harrison. Isocyanates (TDI, Production of polyurethane foams, plastics, Mucous membrane irritation, dyspnea, Upper respiratory tract irritation, cough, HDI, MDI) adhesives, surface coatings cough, wheeze, pulmonary edema asthma, hypersensitivity pneumonitis, reduced lung function Nitrogen dioxide Silage, me...
Surgery_Schwartz
abdominal injuries. AASW = anterior abdominal stab wound; CT = computed tomography; DPL = diagnostic peritoneal lavage; GSW = gunshot wound; LWE = local wound exploration; RUQ = right upper quadrant; SW = stab wound.Table 7-6Criteria for “positive” finding on diagnostic peritoneal lavageABDOMINAL TRAUMATHORACOABDOMINAL...
Surgery_Schwartz. abdominal injuries. AASW = anterior abdominal stab wound; CT = computed tomography; DPL = diagnostic peritoneal lavage; GSW = gunshot wound; LWE = local wound exploration; RUQ = right upper quadrant; SW = stab wound.Table 7-6Criteria for “positive” finding on diagnostic peritoneal lavageABDOMINAL TRAU...
Immunology_Janeway
‘Cytokine’ is a term for any protein secreted by immune cells that affects the behavior of nearby cells bearing appropriate receptors. There are more than 60 different cytokines; some are produced by many different cell types; others, by only a few specific cell types. Some cytokines influence many types of cells, whil...
Immunology_Janeway. ‘Cytokine’ is a term for any protein secreted by immune cells that affects the behavior of nearby cells bearing appropriate receptors. There are more than 60 different cytokines; some are produced by many different cell types; others, by only a few specific cell types. Some cytokines influence many ...
Pediatrics_Nelson
Place self-adhesive defibrillation pads or paddles with electrode gel at the apex of the heart and the upper right side of the chest Notify all participating personnel before discharging paddles so that no one is in contact with patient or bed Begin with 2 J/kg; resume chest compressions immediately If unsuccessful, in...
Pediatrics_Nelson. Place self-adhesive defibrillation pads or paddles with electrode gel at the apex of the heart and the upper right side of the chest Notify all participating personnel before discharging paddles so that no one is in contact with patient or bed Begin with 2 J/kg; resume chest compressions immediately ...
Gynecology_Novak
The diagnostic workup is summarized as follows: 1. The initial laboratory test should be assessment of serum FSH and LH levels unless the history and physical examination suggest otherwise in order to differentiate hypergonadotropic and hypogonadotropic forms of hypogonadism. If the FSH level is elevated, a karyotype s...
Gynecology_Novak. The diagnostic workup is summarized as follows: 1. The initial laboratory test should be assessment of serum FSH and LH levels unless the history and physical examination suggest otherwise in order to differentiate hypergonadotropic and hypogonadotropic forms of hypogonadism. If the FSH level is eleva...
Gynecology_Novak
Endometrial, cervical, and ovarian malignancies must be ruled out in the presence of post-menopausal bleeding. One series found a malignancy (endometrial or cervical) in approximately 10% of women with postmenopausal bleeding (253). A Pap test is essential when postmenopausal bleeding is noted, although the Pap test is...
Gynecology_Novak. Endometrial, cervical, and ovarian malignancies must be ruled out in the presence of post-menopausal bleeding. One series found a malignancy (endometrial or cervical) in approximately 10% of women with postmenopausal bleeding (253). A Pap test is essential when postmenopausal bleeding is noted, althou...
Pharmacology_Katzung
act at the actin-troponin-tropomyosin complex where activator calcium brings about the contractile interaction of actin and myosin. Black arrows represent processes that initiate contraction or support basal tone. Green arrows represent processes that promote relaxation.
Pharmacology_Katzung. act at the actin-troponin-tropomyosin complex where activator calcium brings about the contractile interaction of actin and myosin. Black arrows represent processes that initiate contraction or support basal tone. Green arrows represent processes that promote relaxation.
InternalMed_Harrison
access to medical care. Failure of veterinary control programs due to conflict or for economic reasons contributes further to the emergence and re-emergence of disease, as seen currently in some eastern Mediterranean countries.
InternalMed_Harrison. access to medical care. Failure of veterinary control programs due to conflict or for economic reasons contributes further to the emergence and re-emergence of disease, as seen currently in some eastern Mediterranean countries.
Gynecology_Novak
The 2003 Rotterdam Consensus Group recommends that obese women with PCOS and nonobese PCOS patients with risk factors for insulin resistance, such as a family history of diabetes, should be screened for metabolic syndrome, including glucose intolerance with an oral glucose tolerance test (19). The standard 2-hour oral ...
Gynecology_Novak. The 2003 Rotterdam Consensus Group recommends that obese women with PCOS and nonobese PCOS patients with risk factors for insulin resistance, such as a family history of diabetes, should be screened for metabolic syndrome, including glucose intolerance with an oral glucose tolerance test (19). The sta...
Obstentrics_Williams
EI-Mohandes A, Herman AA, Kl-Khorazaty MN, et al: Prenatal care reduces the impact of illicit drug use on perinatal outcomes. J Perinatol 23:354, 2003 Eriksen JLK, Pilliod A, Caughey AB: Impact oflate initiation of prenatal care on pregnancy outcomes among women who use drugs. Abstract No. 732. Am J Obstet Gynecol 214:...
Obstentrics_Williams. EI-Mohandes A, Herman AA, Kl-Khorazaty MN, et al: Prenatal care reduces the impact of illicit drug use on perinatal outcomes. J Perinatol 23:354, 2003 Eriksen JLK, Pilliod A, Caughey AB: Impact oflate initiation of prenatal care on pregnancy outcomes among women who use drugs. Abstract No. 732. Am...
InternalMed_Harrison
a As determined by retrospective serologic survey of individuals alive during those years (“seroarchaeology”). b Hemagglutinins formerly designated as Hsw and H0 are now classified as variants of H1. c From this time until 2008–2009, viruses of the H1N1 and H3N2 subtypes circulated either in alternating years or concur...
InternalMed_Harrison. a As determined by retrospective serologic survey of individuals alive during those years (“seroarchaeology”). b Hemagglutinins formerly designated as Hsw and H0 are now classified as variants of H1. c From this time until 2008–2009, viruses of the H1N1 and H3N2 subtypes circulated either in alter...
InternalMed_Harrison
FIGURE 326-2 The emergency management of patients with cardiogenic shock, acute pulmonary edema, or both is outlined.
InternalMed_Harrison. FIGURE 326-2 The emergency management of patients with cardiogenic shock, acute pulmonary edema, or both is outlined.
Neurology_Adams
Of course, any person facing a challenging or threatening task for which he may feel unprepared and inadequate experiences some degree of nervousness and anxiety. Anxiety is then not abnormal, and the alertness and attentiveness that accompany it may actually improve performance up to a point. Barratt and White found t...
Neurology_Adams. Of course, any person facing a challenging or threatening task for which he may feel unprepared and inadequate experiences some degree of nervousness and anxiety. Anxiety is then not abnormal, and the alertness and attentiveness that accompany it may actually improve performance up to a point. Barratt ...
Biochemistry_Lippinco
A. Carbohydrate metabolism The liver is normally a glucose-producing rather than a glucose-using organ. However, after a meal containing carbohydrate, the liver becomes a net consumer, retaining roughly 60 g of every 100 g of glucose presented by the portal system. This increased use reflects increased glucose uptake b...
Biochemistry_Lippinco. A. Carbohydrate metabolism The liver is normally a glucose-producing rather than a glucose-using organ. However, after a meal containing carbohydrate, the liver becomes a net consumer, retaining roughly 60 g of every 100 g of glucose presented by the portal system. This increased use reflects inc...
First_Aid_Step1
Urinary incontinence Mixed incontinence has features of both stress and urgency incontinence. Acute cystitis Inflammation of urinary bladder. Presents as suprapubic pain, dysuria, urinary frequency, urgency. Systemic signs (eg, high fever, chills) are usually absent. Risk factors include female sex (short urethra), sex...
First_Aid_Step1. Urinary incontinence Mixed incontinence has features of both stress and urgency incontinence. Acute cystitis Inflammation of urinary bladder. Presents as suprapubic pain, dysuria, urinary frequency, urgency. Systemic signs (eg, high fever, chills) are usually absent. Risk factors include female sex (sh...
InternalMed_Harrison
Clinical Features and Relevance to the WHO Classification The WHO ETIOLOGY classification also considers clinical features in subdividing AML. For Heredity, radiation, chemical and other occupational exposures, and example, it identifies therapy-related AML as a separate entity that drugs have been implicated in the de...
InternalMed_Harrison. Clinical Features and Relevance to the WHO Classification The WHO ETIOLOGY classification also considers clinical features in subdividing AML. For Heredity, radiation, chemical and other occupational exposures, and example, it identifies therapy-related AML as a separate entity that drugs have bee...
Pediatrics_Nelson
The goal in managing a child with SHCN is to maximizethe child’s potential for productive adult functioning bytreating the primary diagnosis and by helping the patientand family deal with the stresses and secondary impairmentsincurred because of the disease or disability. Whenever a chronic disease is diagnosed, family...
Pediatrics_Nelson. The goal in managing a child with SHCN is to maximizethe child’s potential for productive adult functioning bytreating the primary diagnosis and by helping the patientand family deal with the stresses and secondary impairmentsincurred because of the disease or disability. Whenever a chronic disease i...
Cell_Biology_Alberts
Signaling through BCRs or TCRs and their associated proteins alone is not sufficient to activate a lymphocyte to proliferate and differentiate. Extracellular co-stimulatory signals produced by another cell are also required, and they are provided by membrane-bound proteins (see Figure 24–34) and secreted cytokines. Ind...
Cell_Biology_Alberts. Signaling through BCRs or TCRs and their associated proteins alone is not sufficient to activate a lymphocyte to proliferate and differentiate. Extracellular co-stimulatory signals produced by another cell are also required, and they are provided by membrane-bound proteins (see Figure 24–34) and s...
InternalMed_Harrison
for many forms of epilepsy. However, the barbiturates frequently cause sedation in adults, hyperactivity in children, and other more subtle cognitive changes; thus, their use should be limited to situations in which no other suitable treatment alternatives exist.
InternalMed_Harrison. for many forms of epilepsy. However, the barbiturates frequently cause sedation in adults, hyperactivity in children, and other more subtle cognitive changes; thus, their use should be limited to situations in which no other suitable treatment alternatives exist.
InternalMed_Harrison
Hyperphosphatemia, which can be caused by the release of intracellular phosphate pools by tumor lysis, produces a reciprocal depression in serum calcium, which causes severe neuromuscular irritability and tetany. Deposition of calcium phosphate in the kidney and hyperphosphatemia may cause renal failure. Potassium is t...
InternalMed_Harrison. Hyperphosphatemia, which can be caused by the release of intracellular phosphate pools by tumor lysis, produces a reciprocal depression in serum calcium, which causes severe neuromuscular irritability and tetany. Deposition of calcium phosphate in the kidney and hyperphosphatemia may cause renal f...
InternalMed_Harrison
slow taper over 8–12 weeks. A steroid-sparing agent, such as mycophenolate mofetil, may be indicated in cases of rapid recurrence upon steroid taper. In all cases, rapid withdrawal of the suspected drug is required. Given the severe long-term complications of myocarditis, patients should undergo cardiac evaluation if h...
InternalMed_Harrison. slow taper over 8–12 weeks. A steroid-sparing agent, such as mycophenolate mofetil, may be indicated in cases of rapid recurrence upon steroid taper. In all cases, rapid withdrawal of the suspected drug is required. Given the severe long-term complications of myocarditis, patients should undergo c...
Psichiatry_DSM-5
long periods of time; only a small minority present to clinical attention with observable alternation of identities. When alternate personality states are not directly observed, the disorder can be identified by two clusters of symptoms: 1) sudden alterations or discontinuities in sense of self and sense ofagency (Crit...
Psichiatry_DSM-5. long periods of time; only a small minority present to clinical attention with observable alternation of identities. When alternate personality states are not directly observed, the disorder can be identified by two clusters of symptoms: 1) sudden alterations or discontinuities in sense of self and se...
Histology_Ross
FIGURE 4.4  Nerve tissue. a. A Mallory-stained section of a peripheral nerve. Nerve tissue consists of a vast number of threadlike myelinated axons held together by connective tissue. The axons have been cross-sectioned and appear as small, red, dotlike structures. The clear space surrounding the axons previously cont...
Histology_Ross. FIGURE 4.4  Nerve tissue. a. A Mallory-stained section of a peripheral nerve. Nerve tissue consists of a vast number of threadlike myelinated axons held together by connective tissue. The axons have been cross-sectioned and appear as small, red, dotlike structures. The clear space surrounding the axons...
InternalMed_Harrison
After sleep deprivation, NREM sleep is generally recovered first, followed by REM sleep. However, because REM sleep tends to be most prominent in the second half of the night, sleep truncation (e.g., by an alarm clock) results in selective REM sleep deprivation. This may 06.00 08.00 increase REM sleep pressure to the p...
InternalMed_Harrison. After sleep deprivation, NREM sleep is generally recovered first, followed by REM sleep. However, because REM sleep tends to be most prominent in the second half of the night, sleep truncation (e.g., by an alarm clock) results in selective REM sleep deprivation. This may 06.00 08.00 increase REM s...
InternalMed_Harrison
At least two newer anti-CD20 monoclonal antibodies have 703 become available, ofatumumab and obinutuzumab. Both have activity in previously treated patients. Agents targeting signaling pathways, such as ibrutinib, an irreversible inhibitor of Bruton’s tyrosine kinase, and idelalisib, an inhibitor of phosphoinositide3-k...
InternalMed_Harrison. At least two newer anti-CD20 monoclonal antibodies have 703 become available, ofatumumab and obinutuzumab. Both have activity in previously treated patients. Agents targeting signaling pathways, such as ibrutinib, an irreversible inhibitor of Bruton’s tyrosine kinase, and idelalisib, an inhibitor ...
Surgery_Schwartz
artery as opposed to hepa-tocytes, which receive oxygen primarily from the portal vein. Performed via angiography, embolization may be performed alone (bland embolization) or in combination with chemothera-peutic agents (chemoembolization). Radioembolization, the selective distribution of radioactive yttrium-90 microsp...
Surgery_Schwartz. artery as opposed to hepa-tocytes, which receive oxygen primarily from the portal vein. Performed via angiography, embolization may be performed alone (bland embolization) or in combination with chemothera-peutic agents (chemoembolization). Radioembolization, the selective distribution of radioactive ...
Gynecology_Novak
Perforation Perforation may occur during dilation of the cervix, positioning of the hysteroscope, or as a consequence of the intrauterine procedure. With complete perforation, the endometrial cavity typically does not distend, and the visual field is generally lost. When perforation occurs during dilation of the cervix...
Gynecology_Novak. Perforation Perforation may occur during dilation of the cervix, positioning of the hysteroscope, or as a consequence of the intrauterine procedure. With complete perforation, the endometrial cavity typically does not distend, and the visual field is generally lost. When perforation occurs during dila...
Surgery_Schwartz
complication after splenectomy is a subphrenic abscess, which should be managed with percutaneous drain-age. Additional sources of morbidity include a concurrent or unrecognized iatrogenic injury to the pancreatic tail during rapid splenectomy resulting in pancreatic ascites or fistula, or gastric perforation during sh...
Surgery_Schwartz. complication after splenectomy is a subphrenic abscess, which should be managed with percutaneous drain-age. Additional sources of morbidity include a concurrent or unrecognized iatrogenic injury to the pancreatic tail during rapid splenectomy resulting in pancreatic ascites or fistula, or gastric per...
InternalMed_Harrison
FIGURE 449-3 [11C]Dihydrotetrabenazine positron emission tomography (a marker of VMAT2) in healthy control (A) and Parkinson’s disease (B) patient. Note the reduced striatal uptake of tracer, which is most pronounced in the posterior putamen and tends to be asymmetric. (Courtesy of Dr. Jon Stoessl.) the limb assumes a ...
InternalMed_Harrison. FIGURE 449-3 [11C]Dihydrotetrabenazine positron emission tomography (a marker of VMAT2) in healthy control (A) and Parkinson’s disease (B) patient. Note the reduced striatal uptake of tracer, which is most pronounced in the posterior putamen and tends to be asymmetric. (Courtesy of Dr. Jon Stoessl...
Surgery_Schwartz
4Brunicardi_Ch02_p0027-p0082.indd 3901/03/19 6:49 PM 40BASIC CONSIDERATIONSPART Iand activation of UPR sensing proteins. Moreover, recent data in a series of burn patients strongly links the UPR to insulin resistance and hyperglycemia in these patients.117 Thus, a better understanding of the UPR, which is triggered by ...
Surgery_Schwartz. 4Brunicardi_Ch02_p0027-p0082.indd 3901/03/19 6:49 PM 40BASIC CONSIDERATIONSPART Iand activation of UPR sensing proteins. Moreover, recent data in a series of burn patients strongly links the UPR to insulin resistance and hyperglycemia in these patients.117 Thus, a better understanding of the UPR, whic...
Physiology_Levy
Fig. 13.4 Both voltage-gated L-type calcium channels (responsible for the trigger Ca++) and a protein associated with SERCA, called phospholamban, are phosphorylated by cAMPdependent protein kinase. The combined action of these phosphorylations increases the amount of Ca++ in the SR. Specifically, phosphorylation of th...
Physiology_Levy. Fig. 13.4 Both voltage-gated L-type calcium channels (responsible for the trigger Ca++) and a protein associated with SERCA, called phospholamban, are phosphorylated by cAMPdependent protein kinase. The combined action of these phosphorylations increases the amount of Ca++ in the SR. Specifically, phos...
First_Aid_Step2
If unstable, perform synchronized electrical cardioversion starting at 100 J. If stable, control rate with diltiazem or β-blockers and anticoagulate if duration is > 48 hours. Elective cardioversion may be performed if duration is < 48 hours; otherwise, the clinician must anticoagulate or perform TEE prior to conversio...
First_Aid_Step2. If unstable, perform synchronized electrical cardioversion starting at 100 J. If stable, control rate with diltiazem or β-blockers and anticoagulate if duration is > 48 hours. Elective cardioversion may be performed if duration is < 48 hours; otherwise, the clinician must anticoagulate or perform TEE p...
Gynecology_Novak
models used to study endometriosis is their low cost relative to primates, but the disadvantages are numerous (137–140). In both models, the type of lesion appears to be quite different from the variety of pigmented and nonpigmented lesions observed in women (137–139). Primates are phylogenetically close to humans, hav...
Gynecology_Novak. models used to study endometriosis is their low cost relative to primates, but the disadvantages are numerous (137–140). In both models, the type of lesion appears to be quite different from the variety of pigmented and nonpigmented lesions observed in women (137–139). Primates are phylogenetically cl...
InternalMed_Harrison
Enthesitis Peculiar type of osteoarthritis acute or chronic arthritis or periarthritis. Theclinical events that result from deposition of MSU, CPP, apatite, and CaOx have many similarities but also have important differences. Because of often similar clinical presentations, the need to perform synovial fluid analysis t...
InternalMed_Harrison. Enthesitis Peculiar type of osteoarthritis acute or chronic arthritis or periarthritis. Theclinical events that result from deposition of MSU, CPP, apatite, and CaOx have many similarities but also have important differences. Because of often similar clinical presentations, the need to perform syn...
Neurology_Adams
Paraplegia or quadriplegia that develops more slowly, subacutely over a period of hours or days is caused by postinfectious myelitis, demyelinating or necrotizing myelopathy, or epidural abscess or tumor with spinal cord compression. Paralytic poliomyelitis and acute Guillain-Barré syndrome—the former a purely motor di...
Neurology_Adams. Paraplegia or quadriplegia that develops more slowly, subacutely over a period of hours or days is caused by postinfectious myelitis, demyelinating or necrotizing myelopathy, or epidural abscess or tumor with spinal cord compression. Paralytic poliomyelitis and acute Guillain-Barré syndrome—the former ...
Surgery_Schwartz
plus part of the dermis, whereas full-thickness grafts retain the entire epidermis and dermis. Autologous grafts (autografts) are transplants from one site on the body to another; allogeneic grafts (allografts, homografts) are transplants from a living nonidentical donor or cadaver to the host; and xenogeneic grafts (h...
Surgery_Schwartz. plus part of the dermis, whereas full-thickness grafts retain the entire epidermis and dermis. Autologous grafts (autografts) are transplants from one site on the body to another; allogeneic grafts (allografts, homografts) are transplants from a living nonidentical donor or cadaver to the host; and xe...
Neurology_Adams
CT and MRI are the most reliable diagnostic procedures. On CT scans, the acute clot is initially hyperdense but becomes slowly isodense after a period of 1 or more weeks (Fig. 34-10). At that stage it may be difficult to detect except by the tissue shifts it causes. The fluid collection then becomes progressively hypod...
Neurology_Adams. CT and MRI are the most reliable diagnostic procedures. On CT scans, the acute clot is initially hyperdense but becomes slowly isodense after a period of 1 or more weeks (Fig. 34-10). At that stage it may be difficult to detect except by the tissue shifts it causes. The fluid collection then becomes pr...
Pharmacology_Katzung
F. Fetal Alcohol Syndrome Chronic maternal alcohol abuse during pregnancy is associated with teratogenic effects, and alcohol is a leading cause of mental retardation and congenital malformation. The abnormalities that have been characterized as fetal alcohol syndrome include (1) intrauterine growth retardation, (2) mi...
Pharmacology_Katzung. F. Fetal Alcohol Syndrome Chronic maternal alcohol abuse during pregnancy is associated with teratogenic effects, and alcohol is a leading cause of mental retardation and congenital malformation. The abnormalities that have been characterized as fetal alcohol syndrome include (1) intrauterine grow...
InternalMed_Harrison
The electrophysiologic hallmark of typical absence seizures is a generalized, symmetric, 3-Hz spike-and-wave discharge that begins and ends suddenly, superimposed on a normal EEG background. Periods of spike-and-wave discharges lasting more than a few seconds usually correlate with clinical signs, but the EEG often sho...
InternalMed_Harrison. The electrophysiologic hallmark of typical absence seizures is a generalized, symmetric, 3-Hz spike-and-wave discharge that begins and ends suddenly, superimposed on a normal EEG background. Periods of spike-and-wave discharges lasting more than a few seconds usually correlate with clinical signs,...
Immunology_Janeway
Dendritic cells are also abundant in the wall of the small intestine outside Peyer’s patches, mainly in the lamina propria. These sample antigens from the lumen and surrounding tissue, and they spend a relatively short time in the intestine before migrating in afferent lymph to the draining mesenteric lymph node, where...
Immunology_Janeway. Dendritic cells are also abundant in the wall of the small intestine outside Peyer’s patches, mainly in the lamina propria. These sample antigens from the lumen and surrounding tissue, and they spend a relatively short time in the intestine before migrating in afferent lymph to the draining mesenter...
Cell_Biology_Alberts
The response shuts off when Ca2+ levels decrease, releasing nf-aT from calcineurin. rephosphorylation of nf-aT inactivates the nuclear import signals and re-exposes the nuclear export signal, causing nf-aT to relocate to the cytosol. some of the most potent immunosuppressive drugs, including cyclosporin a and fK506, in...
Cell_Biology_Alberts. The response shuts off when Ca2+ levels decrease, releasing nf-aT from calcineurin. rephosphorylation of nf-aT inactivates the nuclear import signals and re-exposes the nuclear export signal, causing nf-aT to relocate to the cytosol. some of the most potent immunosuppressive drugs, including cyclo...
Surgery_Schwartz
Proteus species, Klebsiella species, and other urease-producing bacteria metabolize urea into ammonium and bicarbonate. The alkaline milieu (pH >7) predisposes to infec-tious (struvite) stones with the precipitation of magnesium, ammonium, and phosphate (Fig. 40-1).Evaluation for first-time stone formers should include...
Surgery_Schwartz. Proteus species, Klebsiella species, and other urease-producing bacteria metabolize urea into ammonium and bicarbonate. The alkaline milieu (pH >7) predisposes to infec-tious (struvite) stones with the precipitation of magnesium, ammonium, and phosphate (Fig. 40-1).Evaluation for first-time stone form...
Pathology_Robbins
Regurgitant flow. Valve pathology that allows backward flow of blood results in increased volume workload and may overwhelm the pumping capacity of the affected chambers. Shunted flow. Defects (congenital or acquired) that divert blood inappropriately from one chamber to another, or from one vessel to another, lead to ...
Pathology_Robbins. Regurgitant flow. Valve pathology that allows backward flow of blood results in increased volume workload and may overwhelm the pumping capacity of the affected chambers. Shunted flow. Defects (congenital or acquired) that divert blood inappropriately from one chamber to another, or from one vessel t...
Surgery_Schwartz
of secondary HPT characterized by painful (some-times throbbing), violaceous, and mottled lesions usually on the extremities, which often become necrotic and progress to non-healing ulcers, gangrene, sepsis, and death. Skin biopsy can be helpful to make the diagnosis. These are critically ill, high-risk patients, but s...
Surgery_Schwartz. of secondary HPT characterized by painful (some-times throbbing), violaceous, and mottled lesions usually on the extremities, which often become necrotic and progress to non-healing ulcers, gangrene, sepsis, and death. Skin biopsy can be helpful to make the diagnosis. These are critically ill, high-ri...
Cell_Biology_Alberts
satellite cell activated to divide Figure 22–19 Myoblast fusion in culture. the culture is stained with a fluorescent antibody (green) against skeletal muscle myosin, which marks differentiated muscle cells, and with a dna-specific dye (blue) to show cell nuclei. (a) a short time after a change to a culture medium that...
Cell_Biology_Alberts. satellite cell activated to divide Figure 22–19 Myoblast fusion in culture. the culture is stained with a fluorescent antibody (green) against skeletal muscle myosin, which marks differentiated muscle cells, and with a dna-specific dye (blue) to show cell nuclei. (a) a short time after a change to...
InternalMed_Harrison
If the ventilatory apparatus (lungs, airways, chest wall) is not responsible for chronic hypercapnia, then the focus should shift to respiratory drive and neuromuscular disorders. There is an attenuated increase in minute ventilation in response to elevated CO2 and/ or low O2 in respiratory drive disorders. These disea...
InternalMed_Harrison. If the ventilatory apparatus (lungs, airways, chest wall) is not responsible for chronic hypercapnia, then the focus should shift to respiratory drive and neuromuscular disorders. There is an attenuated increase in minute ventilation in response to elevated CO2 and/ or low O2 in respiratory drive ...
Physiology_Levy
apolipoproteins. The chylomicrons are then exported from the enterocyte by a process of exocytosis. However, on entering the lamina propria, they are too large (≈750–5000 Å in diameter) to permeate through the intercellular spaces of the mucosal capillaries. Instead they are taken up into lymphatics in the lamina propr...
Physiology_Levy. apolipoproteins. The chylomicrons are then exported from the enterocyte by a process of exocytosis. However, on entering the lamina propria, they are too large (≈750–5000 Å in diameter) to permeate through the intercellular spaces of the mucosal capillaries. Instead they are taken up into lymphatics in...
InternalMed_Harrison
FIGURE 405-6 Facial appearance in hypothyroidism. Note puffy eyes and thickened skin. function. Although alterations in myosin heavy chain isoform expres-2291 sion have been documented, cardiomyopathy is unusual. Fluid may also accumulate in other serous cavities and in the middle ear, giving rise to conductive deafnes...
InternalMed_Harrison. FIGURE 405-6 Facial appearance in hypothyroidism. Note puffy eyes and thickened skin. function. Although alterations in myosin heavy chain isoform expres-2291 sion have been documented, cardiomyopathy is unusual. Fluid may also accumulate in other serous cavities and in the middle ear, giving rise...
Obstentrics_Williams
Detection of spina bifida is aided by two characteristic cranial findings (Nicolaides, 1986). Scalloping of the frontal bones is termed the lemon sign, and anterior curvature of the cerebellum with efacement of the cisterna magna is the banana sign (Fig. 10-12). These indings are manifestations of the Chiari II malform...
Obstentrics_Williams. Detection of spina bifida is aided by two characteristic cranial findings (Nicolaides, 1986). Scalloping of the frontal bones is termed the lemon sign, and anterior curvature of the cerebellum with efacement of the cisterna magna is the banana sign (Fig. 10-12). These indings are manifestations of...
Surgery_Schwartz
repair. Endovascular intervention provides an attractive alternative.As for open surgical repair, the clinical indications for endovascular intervention of lower extremity peripheral arte-rial diseases include lifestyle-limiting claudication, ischemic rest pain, and tissue loss or gangrene. Importantly, endovas-cular p...
Surgery_Schwartz. repair. Endovascular intervention provides an attractive alternative.As for open surgical repair, the clinical indications for endovascular intervention of lower extremity peripheral arte-rial diseases include lifestyle-limiting claudication, ischemic rest pain, and tissue loss or gangrene. Importantl...
InternalMed_Harrison
with repeated measurements of aminotransferases, during the initial phase of treatment. Up to 20% of patients have small increases in aspartate aminotransferase (up to three times the upper limit of normal) that are not accompanied by symptoms and are of no consequence. For patients with symptomatic hepatitis and those...
InternalMed_Harrison. with repeated measurements of aminotransferases, during the initial phase of treatment. Up to 20% of patients have small increases in aspartate aminotransferase (up to three times the upper limit of normal) that are not accompanied by symptoms and are of no consequence. For patients with symptomat...
Pathology_Robbins
Tolerance (unresponsiveness) to self antigens is a fundamentalproperty of the immune system, and breakdown of toleranceis the basis of autoimmune diseases. Central tolerance: immature T and B lymphocytes that recognize self antigens in the central (generative) lymphoid organsare killed by apoptosis; in the B-cell linea...
Pathology_Robbins. Tolerance (unresponsiveness) to self antigens is a fundamentalproperty of the immune system, and breakdown of toleranceis the basis of autoimmune diseases. Central tolerance: immature T and B lymphocytes that recognize self antigens in the central (generative) lymphoid organsare killed by apoptosis; ...
Cell_Biology_Alberts
Figure 5–19 Strand-directed mismatch repair. (A) The two proteins shown are present in both bacteria and eukaryotic cells: MutS binds specifically to a mismatched base pair, while MutL scans the nearby DNA for a nick. Once MutL finds a nick, it triggers the degradation of the nicked strand all the way back through the ...
Cell_Biology_Alberts. Figure 5–19 Strand-directed mismatch repair. (A) The two proteins shown are present in both bacteria and eukaryotic cells: MutS binds specifically to a mismatched base pair, while MutL scans the nearby DNA for a nick. Once MutL finds a nick, it triggers the degradation of the nicked strand all the...
Biochemistry_Lippinco
III. GALACTOSE METABOLISM The major dietary source of galactose is lactose (galactosyl β-1,4-glucose) obtained from milk and milk products. [Note: The digestion of lactose by βgalactosidase (lactase) of the intestinal mucosal cell membrane was discussed on p. 87.] Some galactose can also be obtained by lysosomal degrad...
Biochemistry_Lippinco. III. GALACTOSE METABOLISM The major dietary source of galactose is lactose (galactosyl β-1,4-glucose) obtained from milk and milk products. [Note: The digestion of lactose by βgalactosidase (lactase) of the intestinal mucosal cell membrane was discussed on p. 87.] Some galactose can also be obtai...
InternalMed_Harrison
FIGURE 444e-1 The molecular architecture of the myelin sheath illustrating the most important disease-related proteins. The illustration represents a composite of central nervous system (CNS) and peripheral nervous system (PNS) myelin. Proteins restricted to CNS myelin are shown in green, proteins of PNS myelin are lav...
InternalMed_Harrison. FIGURE 444e-1 The molecular architecture of the myelin sheath illustrating the most important disease-related proteins. The illustration represents a composite of central nervous system (CNS) and peripheral nervous system (PNS) myelin. Proteins restricted to CNS myelin are shown in green, proteins...
Cell_Biology_Alberts
Figure 20–40 How certain papillomaviruses are thought to give rise to cancer of the uterine cervix. Papillomaviruses have double-stranded circular DNA chromosomes of about 8000 nucleotide pairs. These chromosomes are normally stably maintained in the basal cells of the epithelium as plasmids (red circles), whose replic...
Cell_Biology_Alberts. Figure 20–40 How certain papillomaviruses are thought to give rise to cancer of the uterine cervix. Papillomaviruses have double-stranded circular DNA chromosomes of about 8000 nucleotide pairs. These chromosomes are normally stably maintained in the basal cells of the epithelium as plasmids (red ...
Histology_Ross
The blood–brain barrier protects the CNS from fluctuating levels of electrolytes, hormones, and tissue metabolites circulating in the blood vessels. The observation more than 100 years ago that vital dyes injected into the bloodstream can penetrate and stain nearly all organs except the brain provided the first descrip...
Histology_Ross. The blood–brain barrier protects the CNS from fluctuating levels of electrolytes, hormones, and tissue metabolites circulating in the blood vessels. The observation more than 100 years ago that vital dyes injected into the bloodstream can penetrate and stain nearly all organs except the brain provided t...
Surgery_Schwartz
inflammatory responses, the magnitude of which is usually proportional to the degree and duration of shock. The specific responses will differ based on the etiology of shock, as certain physiologic responses may be limited by the inciting pathology. For exam-ple, the cardiovascular response driven by the sympathetic ne...
Surgery_Schwartz. inflammatory responses, the magnitude of which is usually proportional to the degree and duration of shock. The specific responses will differ based on the etiology of shock, as certain physiologic responses may be limited by the inciting pathology. For exam-ple, the cardiovascular response driven by ...
Obstentrics_Williams
In another study of 101 afected women, no term fetuses died, but 87 percent of women underwent labor induction, ostensibly to avoid adverse outcomes (Rook, 2012). Nonetheless, neonatal complications developed in a third of the pregnancies, particularly respiratory distress, fetal distress, and meconium-stained amnionic...
Obstentrics_Williams. In another study of 101 afected women, no term fetuses died, but 87 percent of women underwent labor induction, ostensibly to avoid adverse outcomes (Rook, 2012). Nonetheless, neonatal complications developed in a third of the pregnancies, particularly respiratory distress, fetal distress, and mec...
InternalMed_Harrison
Abbreviations: P, plasma; RC, red cells; S, serum; WB, whole blood. Electrolytes Sodium 137–145 mmol/L 137–145 meq/L Potassium 2.7–3.9 mmol/L 2.7–3.9 meq/L Calcium 1.0–1.5 mmol/L 2.1–3.0 meq/L Magnesium 1.0–1.2 mmol/L 2.0–2.5 meq/L Chloride 116–122 mmol/L 116–122 meq/L CO2 content 20–24 mmol/L 20–24 meq/L PCO2 6–7 kPa ...
InternalMed_Harrison. Abbreviations: P, plasma; RC, red cells; S, serum; WB, whole blood. Electrolytes Sodium 137–145 mmol/L 137–145 meq/L Potassium 2.7–3.9 mmol/L 2.7–3.9 meq/L Calcium 1.0–1.5 mmol/L 2.1–3.0 meq/L Magnesium 1.0–1.2 mmol/L 2.0–2.5 meq/L Chloride 116–122 mmol/L 116–122 meq/L CO2 content 20–24 mmol/L 20–...
Cell_Biology_Alberts
The Equilibrium Constant Measures Binding Strength Molecules in the cell encounter each other very frequently because of their continual random thermal movements. Colliding molecules with poorly matching surfaces form few noncovalent bonds with one another, and the two molecules dissociate as rapidly as they come toget...
Cell_Biology_Alberts. The Equilibrium Constant Measures Binding Strength Molecules in the cell encounter each other very frequently because of their continual random thermal movements. Colliding molecules with poorly matching surfaces form few noncovalent bonds with one another, and the two molecules dissociate as rapi...
Cell_Biology_Alberts
retrieves escaped ER and Golgi proteins and returns them to upstream compartments. Directional flow could be achieved because forward-moving cargo molecules are selectively packaged into forward-moving vesicles. Although both forwardand backward-moving vesicles would likely be COPI-coated, the coats may contain differe...
Cell_Biology_Alberts. retrieves escaped ER and Golgi proteins and returns them to upstream compartments. Directional flow could be achieved because forward-moving cargo molecules are selectively packaged into forward-moving vesicles. Although both forwardand backward-moving vesicles would likely be COPI-coated, the coa...
Neurology_Adams
Figure 8-2. The location and morphology of mechanoreceptors in hairy and hairless (glabrous) skin of the human hand. Receptors are located in the superficial skin, at the junction of the dermis and epidermis, and more deeply in the dermis and subcutaneous tissue. The receptors of the glabrous skin are Meissner’s corpus...
Neurology_Adams. Figure 8-2. The location and morphology of mechanoreceptors in hairy and hairless (glabrous) skin of the human hand. Receptors are located in the superficial skin, at the junction of the dermis and epidermis, and more deeply in the dermis and subcutaneous tissue. The receptors of the glabrous skin are ...
Physiology_Levy
ACE proteolytically inactivates the vasodilatory hormone bradykinin and converts angiotensin I, an inactive hormone, to angiotensin II, an active vasoconstrictive hormone. Thus ACE increases angiotensin II levels and decreases bradykinin levels. ACE inhibitors (e.g., lisinopril, enalapril, and captopril) are used clini...
Physiology_Levy. ACE proteolytically inactivates the vasodilatory hormone bradykinin and converts angiotensin I, an inactive hormone, to angiotensin II, an active vasoconstrictive hormone. Thus ACE increases angiotensin II levels and decreases bradykinin levels. ACE inhibitors (e.g., lisinopril, enalapril, and captopri...
Surgery_Schwartz
geographic areas was 89.2%.270 The 5-year relative survival by race was reported to be 90.4% for white women and 78.7% for black women. The 5-year sur-vival rate for patients with localized disease (61% of patients) is 98.6%; for patients with regional disease (32% of patients), 84.4%; and for patients with distant met...
Surgery_Schwartz. geographic areas was 89.2%.270 The 5-year relative survival by race was reported to be 90.4% for white women and 78.7% for black women. The 5-year sur-vival rate for patients with localized disease (61% of patients) is 98.6%; for patients with regional disease (32% of patients), 84.4%; and for patient...
Histology_Ross
FIGURE 20.21 • Electron micrograph of a distal convoluted tubule cell. The apical surface of the cell displays some microvilli (Mv), but they are not sufficiently long or numerous to give the appearance of a brush border (compare with Fig. 20.15). The nucleus and Golgi apparatus (G) are in the upper portion of the cell...
Histology_Ross. FIGURE 20.21 • Electron micrograph of a distal convoluted tubule cell. The apical surface of the cell displays some microvilli (Mv), but they are not sufficiently long or numerous to give the appearance of a brush border (compare with Fig. 20.15). The nucleus and Golgi apparatus (G) are in the upper por...
Obstentrics_Williams
It is unclear if cafeine consumption is associated with preterm birth or impaired fetal growth. Clausson and coworkers (2002) found no association between moderate cafeine consumption of less than 500 mg/d and low birthweight, fetalgrowth restriction, or preterm delivery. Bech and associates (2007) randomly assigned mo...
Obstentrics_Williams. It is unclear if cafeine consumption is associated with preterm birth or impaired fetal growth. Clausson and coworkers (2002) found no association between moderate cafeine consumption of less than 500 mg/d and low birthweight, fetalgrowth restriction, or preterm delivery. Bech and associates (2007...
Obstentrics_Williams
Harper LM, Biggio JR, Anderson S, et al: Gestational age of delivery in pregnancies complicated by chronic hypertension. Obstet Gynecol 127(6):1101,t2016 Henderson JT, Whitlock EP, O'Connor E, et al: Low-dose aspirin for prevention of morbidity and mortality from preeclampsia: a systematic evidence review for the U.S. ...
Obstentrics_Williams. Harper LM, Biggio JR, Anderson S, et al: Gestational age of delivery in pregnancies complicated by chronic hypertension. Obstet Gynecol 127(6):1101,t2016 Henderson JT, Whitlock EP, O'Connor E, et al: Low-dose aspirin for prevention of morbidity and mortality from preeclampsia: a systematic evidenc...
Neurology_Adams
McArdle B: Myopathy due to a defect in muscle glycogen breakdown. Clin Sci 10:13, 1951. Medsger TA Jr: Tryptophan-induced eosinophilia-myalgia syndrome. N Engl J Med 322:926, 1990. Meinck HM, Goebel HH, Rumpf KW, et al: The forearm ischaemic work test—hazardous to McArdle patients? J Neurol Neurosurg Psychiatry 45:1144...
Neurology_Adams. McArdle B: Myopathy due to a defect in muscle glycogen breakdown. Clin Sci 10:13, 1951. Medsger TA Jr: Tryptophan-induced eosinophilia-myalgia syndrome. N Engl J Med 322:926, 1990. Meinck HM, Goebel HH, Rumpf KW, et al: The forearm ischaemic work test—hazardous to McArdle patients? J Neurol Neurosurg P...
Physiology_Levy
The stimulus frequency needed to produce tetany depends on whether the motor unit consists of slow or fast fibers ( Fig. 12.17 ). Slow fibers can be tetanized at lower frequencies than can fast fibers. The ability of slow-twitch muscle to tetanize at lower stimulation frequencies reflects, at least in part, the longer ...
Physiology_Levy. The stimulus frequency needed to produce tetany depends on whether the motor unit consists of slow or fast fibers ( Fig. 12.17 ). Slow fibers can be tetanized at lower frequencies than can fast fibers. The ability of slow-twitch muscle to tetanize at lower stimulation frequencies reflects, at least in ...
Immunology_Janeway
Fig. A.31 Measurement of receptor–ligand interactions can be made in real time using a biosensor. Biosensors are able to measure the binding of molecules on the surface of gold-plated glass chips through the indirect effects of the binding on the total internal reflection of a beam of polarized light at the surface of ...
Immunology_Janeway. Fig. A.31 Measurement of receptor–ligand interactions can be made in real time using a biosensor. Biosensors are able to measure the binding of molecules on the surface of gold-plated glass chips through the indirect effects of the binding on the total internal reflection of a beam of polarized ligh...
Surgery_Schwartz
daily nebulized hypertonic saline appears to be effective. A recent randomized crossover study comparing lung function and quality of life has shown that 7% normal saline, compared to isotonic saline, results in a statisti-cally significant 15% increase in FEV1 and an 11% increase in forced vital capacity (compared to ...
Surgery_Schwartz. daily nebulized hypertonic saline appears to be effective. A recent randomized crossover study comparing lung function and quality of life has shown that 7% normal saline, compared to isotonic saline, results in a statisti-cally significant 15% increase in FEV1 and an 11% increase in forced vital capa...
InternalMed_Harrison
Bacterial Vaginosis Bacterial vaginosis (formerly termed nonspecific vaginitis, Haemophilus vaginitis, anaerobic vaginitis, or Gardnerella-associated vaginal discharge) is a syndrome of complex etiology that is characterized by symptoms of vaginal malodor and a slightly to moderately increased white discharge, which ap...
InternalMed_Harrison. Bacterial Vaginosis Bacterial vaginosis (formerly termed nonspecific vaginitis, Haemophilus vaginitis, anaerobic vaginitis, or Gardnerella-associated vaginal discharge) is a syndrome of complex etiology that is characterized by symptoms of vaginal malodor and a slightly to moderately increased whi...
Anatomy_Gray
The small rotatores muscles are the deepest of the transversospinales group. They are present throughout the length of the vertebral column but are best developed in the thoracic region. Their fibers pass upward and medially from transverse processes to spinous processes crossing two vertebrae (long rotators) or attach...
Anatomy_Gray. The small rotatores muscles are the deepest of the transversospinales group. They are present throughout the length of the vertebral column but are best developed in the thoracic region. Their fibers pass upward and medially from transverse processes to spinous processes crossing two vertebrae (long rotat...
Pharmacology_Katzung
6. Effects on carbohydrate metabolism—The administration of oral contraceptives produces alterations in carbohydrate metabolism similar to those observed in pregnancy. There is a reduction in the rate of absorption of carbohydrates from the gastrointestinal tract. Progesterone increases the basal insulin level and the ...
Pharmacology_Katzung. 6. Effects on carbohydrate metabolism—The administration of oral contraceptives produces alterations in carbohydrate metabolism similar to those observed in pregnancy. There is a reduction in the rate of absorption of carbohydrates from the gastrointestinal tract. Progesterone increases the basal ...
Surgery_Schwartz
One index of severity for patients with left CDH is the lung-to-head ratio (LHR), which is the product of the length and the width of the right lung at the level of the cardiac atria divided by the head circumference (all measurements in millimeters). An LHR value of less than 1.0 is associated with a very poor prognos...
Surgery_Schwartz. One index of severity for patients with left CDH is the lung-to-head ratio (LHR), which is the product of the length and the width of the right lung at the level of the cardiac atria divided by the head circumference (all measurements in millimeters). An LHR value of less than 1.0 is associated with a...
InternalMed_Harrison
Hereditary Neuralgic Amyotrophy (HNA) HNA is an autosomal dominant disorder characterized by recurrent attacks of pain, weakness, and sensory loss in the distribution of the brachial plexus often beginning in childhood. These attacks are similar to those seen with idiopathic brachial plexitis (see below). Attacks may o...
InternalMed_Harrison. Hereditary Neuralgic Amyotrophy (HNA) HNA is an autosomal dominant disorder characterized by recurrent attacks of pain, weakness, and sensory loss in the distribution of the brachial plexus often beginning in childhood. These attacks are similar to those seen with idiopathic brachial plexitis (see...
InternalMed_Harrison
The aortic wall consists of a thin intima composed of endothelium, subendothelial connective tissue, and an internal elastic lamina; a thick tunica media composed of smooth muscle cells and extracellular matrix; and an adventitia composed primarily of connective tissue enclosing the vasa vasorum and nervi vascularis. I...
InternalMed_Harrison. The aortic wall consists of a thin intima composed of endothelium, subendothelial connective tissue, and an internal elastic lamina; a thick tunica media composed of smooth muscle cells and extracellular matrix; and an adventitia composed primarily of connective tissue enclosing the vasa vasorum a...
Gynecology_Novak
Traditional teaching is that the levator ani muscles are innervated by the pudendal nerve on the perineal surface and direct branches of the sacral nerves on the pelvic surface. Evidence indicates that the levator ani muscles are innervated solely by a nerve traveling on the superior (intrapelvic) surface of the muscle...
Gynecology_Novak. Traditional teaching is that the levator ani muscles are innervated by the pudendal nerve on the perineal surface and direct branches of the sacral nerves on the pelvic surface. Evidence indicates that the levator ani muscles are innervated solely by a nerve traveling on the superior (intrapelvic) sur...
Neurology_Adams
Figure 13-2. Pathways for the control of vertical eye movements. The main structures are the interstitial nucleus of Cajal (INC), the rostral interstitial nucleus of the medial longitudinal fasciculus (riMLF), and the subnuclei of the third nerve, all located in the dorsal midbrain. Voluntary vertical movements are ini...
Neurology_Adams. Figure 13-2. Pathways for the control of vertical eye movements. The main structures are the interstitial nucleus of Cajal (INC), the rostral interstitial nucleus of the medial longitudinal fasciculus (riMLF), and the subnuclei of the third nerve, all located in the dorsal midbrain. Voluntary vertical ...
Neurology_Adams
It is worth mentioning here that the tongue is often red and smooth in vitamin-deficiency states. Glossodynia (burning mouth syndrome discussed in Chap. 9), a condition most frequently seen in the elderly and in young women, may or may not be accompanied by redness and dryness, but not by lingual weakness. A habit of t...
Neurology_Adams. It is worth mentioning here that the tongue is often red and smooth in vitamin-deficiency states. Glossodynia (burning mouth syndrome discussed in Chap. 9), a condition most frequently seen in the elderly and in young women, may or may not be accompanied by redness and dryness, but not by lingual weakn...
Neurology_Adams
averaging just over 7 years in both groups (van den Bent et al). Lacking any clear benefit on survival, it seems to us that radiation may be withheld initially. An increase in seizures or worsening neurologic signs then presses one to turn to radiation or further surgery.
Neurology_Adams. averaging just over 7 years in both groups (van den Bent et al). Lacking any clear benefit on survival, it seems to us that radiation may be withheld initially. An increase in seizures or worsening neurologic signs then presses one to turn to radiation or further surgery.
Pharmacology_Katzung
CB1 receptor. Two other important neuroendocrine systems that appear to play key roles in modulating ethanol-seeking activity in experimental animals are the appetite-regulating system—which uses peptides such as leptin, ghrelin, and neuropeptide Y—and the stress response system, which is controlled by corticotropin-re...
Pharmacology_Katzung. CB1 receptor. Two other important neuroendocrine systems that appear to play key roles in modulating ethanol-seeking activity in experimental animals are the appetite-regulating system—which uses peptides such as leptin, ghrelin, and neuropeptide Y—and the stress response system, which is controll...
Physiology_Levy
Cerebral cortex Respiratory center, medulla Spinal cord Respiratory muscles Lung and chest wall Alveolar-capillary barrier BloodPerfusion Mechano-receptors Chemo-receptors PCO2, PO2, pH Diffusion Ventilation Nerve impulses Nerve impulses Force displacement •Fig. 20.9 Block Diagram of the Respiratory Control System, Dem...
Physiology_Levy. Cerebral cortex Respiratory center, medulla Spinal cord Respiratory muscles Lung and chest wall Alveolar-capillary barrier BloodPerfusion Mechano-receptors Chemo-receptors PCO2, PO2, pH Diffusion Ventilation Nerve impulses Nerve impulses Force displacement •Fig. 20.9 Block Diagram of the Respiratory Co...
Pathology_Robbins
Involved joints are swollen, warm, and painful. In contrast to OA, the joints are stiff when patient rises in the morning or following inactivity. The typical patient has progressive joint enlargement and decreased range of motion pursuing a chronic waxing and waning course. In a minority of patients, especially those ...
Pathology_Robbins. Involved joints are swollen, warm, and painful. In contrast to OA, the joints are stiff when patient rises in the morning or following inactivity. The typical patient has progressive joint enlargement and decreased range of motion pursuing a chronic waxing and waning course. In a minority of patients...
Psichiatry_DSM-5
Tourette's disorder. Vocal tics and repetitive vocalizations of Tourette’s disorder should be distinguishable from the repetitive sounds of childhood-onset fluency disorder by their nature and timing. Diagnostic Criteria 315.39 (F80.89) A. Persistent difficulties in the social use of verbal and nonverbal communication a...
Psichiatry_DSM-5. Tourette's disorder. Vocal tics and repetitive vocalizations of Tourette’s disorder should be distinguishable from the repetitive sounds of childhood-onset fluency disorder by their nature and timing. Diagnostic Criteria 315.39 (F80.89) A. Persistent difficulties in the social use of verbal and nonverb...
InternalMed_Harrison
The age at onset of menstrual cycles (menarche) and the pattern of the menstrual cycle should be ascertained; irregular cycles from the time of menarche onward are more likely to result from ovarian rather than adrenal androgen excess. Associated symptoms such as galactorrhea should prompt evaluation for hyperprolactin...
InternalMed_Harrison. The age at onset of menstrual cycles (menarche) and the pattern of the menstrual cycle should be ascertained; irregular cycles from the time of menarche onward are more likely to result from ovarian rather than adrenal androgen excess. Associated symptoms such as galactorrhea should prompt evaluat...