ACUTE CORONARY SYNDROME-STEMI VS NSTEMI OR UNSTABLE ANGINA

SUMMARY

1. STEMI: presence of ST-segment elevation on the ECG suggests total occlusion of an epicardial coronary artery. Surfaces commonly involved: inferior 58%, anterior 39%, other 3%

2. NSTEMI: NSTEMI & UA occur as a result of the development of thrombus on an atheromatous plaque. Unlike in STEMI, the thrombus is non-occluding but distal vasospasm or embolisation may lead to subsequent myocardial necrosis.

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