The human heart is a muscle, but it’s also a kind of complicated balloon—a balloon that fills and empties roughly 60 to 100 times every minute, and several billion times during the course of 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 ...

Treatment sometimes involves an implantable defibrillator. Hypertrophic cardiomyopathy is the most common form of genetic heart disease worldwide. Researchers have estimated that up to 1 in 200 people ...

Apical hypertrophic cardiomyopathy is a rare condition where the heart walls thicken at the left ventricle’s apex, making it harder for the ventricle to pump. Symptoms are often vague or absent, but ...

Hypertrophic cardiomyopathy (HCM) thickens the left ventricle in your heart, which can make pumping blood harder and raise the risk of complications if untreated. HCM symptoms can be mild or absent ...

Hypertrophic cardiomyopathy is a common inherited cardiomyopathy, occurring in about 1 in 500 individuals.1 The first gene mutation for this condition was identified in a large French Canadian family ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Hypertrophic cardiomyopathy happens when the heart muscle grows too thick. Many people with this condition have no symptoms and live a normal life with few problems. But in some people, it can cause ...