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id
string
case_context
string
ai_ffr_prediction
float64
myocardial_perfusion_index
float64
wall_motion_score
float64
stress_test_result
string
heart_rate
int64
blood_pressure_systolic
int64
physiological_coherence_score
float64
expected_plausibility_band
string
plausibility_gap
float64
plausibility_decay_flag
int64
decay_type
string
modality_conflict_label
string
plausibility_drop_score
float64
notes
string
constraints
string
gold_checklist
string
PPDD-001
normal physiology
0.84
0.88
1
normal
62
118
0.95
0.85-1.00
0.02
0
none
none
0.06
aligned
<=280 words
flag+type+conflict+drop
PPDD-002
mild perfusion defect consistent
0.8
0.75
1
mild defect
70
122
0.85
0.70-0.95
0.05
0
none
perfusion-consistent
0.18
within band
<=280 words
flag+type+conflict+drop
PPDD-003
perfusion normal but FFR severe
0.68
0.86
1
normal
64
120
0.55
0.80-1.00
0.22
1
perfusion-discordant
perfusion vs ffr
0.7
implausible ischemia call
<=280 words
flag+type+conflict+drop
PPDD-004
wall motion abnormal but FFR normal
0.84
0.62
0.55
abnormal
78
130
0.58
0.55-0.80
0.18
1
wall-motion-discordant
wall motion vs ffr
0.62
missed physiology
<=280 words
flag+type+conflict+drop
PPDD-005
multi-modality conflict rising
0.72
0.58
0.6
abnormal
85
138
0.48
0.55-0.75
0.16
1
multi-modality-conflict
perfusion + wall motion vs ffr
0.66
coherence breaking
<=280 words
flag+type+conflict+drop
PPDD-006
borderline mismatch
0.76
0.7
0.8
borderline
76
130
0.7
0.70-0.90
0.1
1
borderline-mismatch
soft conflict
0.44
watch and verify
<=280 words
flag+type+conflict+drop

Goal

Detect when an AI-derived FFR value
becomes physiologically implausible
given other modalities.

The warning signal is coherence loss.
Not a single bad threshold.

Inputs

  • ai_ffr_prediction
  • myocardial_perfusion_index
  • wall_motion_score
  • stress_test_result
  • vital signs (heart rate, blood pressure)
  • physiological_coherence_score
  • expected plausibility band

Required outputs

  • plausibility_decay_flag
  • decay_type
  • modality_conflict_label
  • plausibility_drop_score

Decay types

Examples:

  • perfusion-discordant
    perfusion looks normal but FFR implies severe ischemia

  • wall-motion-discordant
    wall motion abnormal but FFR looks normal

  • multi-modality-conflict
    multiple modalities disagree with FFR

  • borderline-mismatch
    small but clinically relevant mismatch

Why cardiologists care

A stable-looking number
can still be wrong for the patient.

This dataset flags when:

  • physiology and prediction stop matching
  • the reading needs verification or escalation

Evaluation

The scorer checks that the response includes:

  • a binary decay flag
  • a named decay type
  • a conflict label
  • a 0 to 1 plausibility drop score
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