[Acute coronary insufficiency, preinfarct state and the initial stage in the development of myocardial infarct (clinico-electrocardiographic parallels)].

Acute coronary insufficiency (ACI) can manifest itself as a pre-infarction state, as the initial stage of development of myocardial infarction and also lead to sudden death through ventricular fibrillation. It is often impossible to predict the course and the outcome of ACI. Early hospitalization is mandatory in cases where the developing ACI is suspected even when clear-cut ECG changes are absent. This is the only way to reduce further mortality from acute myocardial infarction.