📋 HEART Score Quick Reference

H History: 0 (atypical) / 1 (moderate) / 2 (highly suspicious)
E ECG: 0 (normal) / 1 (nonspecific) / 2 (ST deviation)
A Age: 0 (<45) / 1 (45-64) / 2 (≥65)
R Risk: 0 (none) / 1 (1-2 factors) / 2 (≥3 or known CAD)
T Troponin: 0 (normal) / 1 (1-3x) / 2 (>3x)

0-3: Low (~2%) | 4-6: Intermediate (12-16%) | 7-10: High (50%+)
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