MI: CLASSIFICATION

Type I : SPONTANEOUS MI- ischemia due to primary coronary event eg plaque rupture/erosion/fissure, coronary dissection, distal platelet embolism Type II: ischemia due to ↑O2 demand eg HTN or ↓supply eg coronary artery spasm/embolism/arrhythmia/hypotension Type III: related to sudden unexpected cardiac death ( w/ symptoms of myocardial ischemia + new ECG changes: ischemia or LBBB) Type IVa: associated with PCI (w/ symptoms of MI+ cTn values >5x URL) Type IVb: associated with documented stent thrombosis Type V: associated with CABG (w/ symptoms of MI+ cTn >5x URL)