Myocardial Infarction - Definition

Myocardial infarction (MI) is defined as myocardial cell death in combination with symptoms suggestive of myocardial ischaemia.1,2

STEMI (ST-elevation myocardial infarction) is a clinical syndrome defined by characteristic symptoms of myocardial ischaemia in association with persistent ECG ST-elevation in at least 2 ECG leads, and subsequent release of biomarkers of myocardial necrosis.1,2

Find out more about the symptoms and diagnosis of STEMI here.

Myocardial Infarction

Heart structure Heart diagram showing blocked artery and affected area

  1. Thygesen K, et al. Third universal definition of myocardial infarction. J Am Coll Cardiol 2012;60:1581-1598.
  2. Ibanez B, et al. 2017 ESC Guidelines for the management of acute myocardial infarction in patients presenting with ST-segment elevation. Eur Heart J 2018;39:119-177.