What are the important signs and symptoms of a heart attack?
Important signs and symptoms of a heart attack are persistent chest pain radiating to the left arm, pallor, and rapid, weak pulse will be the most typical answer, though some of the other symptoms could also occur in myocardial infarction. For example, some have radiation to right arm. breathlessness can occur if myocardial infarction has resulted in left ventricular failure. Bradycardia is common in inferior wall myocardial infarction due to occlusion of right coronary artery.