People with the inherited heart condition hypertrophic cardiomyopathy (HCM) who exercised vigorously did not have an increased incidence of serious cardiac events during three years of follow-up ...

Cardiac physiologic pacing, also known as cardiac resynchronization therapy, is indicated in patients with heart failure, reduced left ventricular ejection fraction (LVEF) of 50% or less, and either a ...

Panel A shows a cross-section of a normal heart (top) and an endomyocardial biopsy sample from a normal heart (bottom; with hematoxylin and eosin staining) that shows normal histologic characteristics ...

A 61-year-old man of West African descent presented with chest pain syndrome and deep inverted precordial T-waves on 12-lead ECG. Two-dimensional echocardiography demonstrated focal left ventricular ...