The risk of<unk>  during acute myocardial infarction is related to the amount of ST elevation, the presence of hypokalemia, the absence of pre-infarction angina, the size of the infarction, and the presence of a blocked left coronary artery. Other risk factors could include younger age, male gender, and history of sudden cardiac death in first degree relatives.
Primary ventricular fibrillation
Re-entry ventricular arrhythmia
Pre-excitation syndrome
AV nodal reentrant tachycardia
Sudden arrhythmic death syndrome
Unstable angina
Ventricular flutter
Familial atrial fibrillation