Universal classification of myocardial infarction (types 1-5)
Core concept
- Universal MI definition classifies infarction by mechanism, not just troponin rise -- distinguishes primary coronary events from secondary supply-demand mismatch
- Type 1: spontaneous, plaque rupture/erosion with thrombus -- the "classic" ACS
- Type 2: myocardial oxygen supply/demand mismatch without acute atherothrombotic plaque disruption (e.g. severe anaemia, tachyarrhythmia, hypotension, severe hypertension, sepsis, hypoxaemia)
3 more sections, plus exam facts
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