Left atrium The left atrium is one of the four chambers of the heart, located on the left posterior side. Its primary roles are to act as a holding chamber for blood returning from the lungs and to ...

There is a link between atypical heart sounds and atrial fibrillation. People with this condition have an irregular, disorganized heartbeat. Atrial fibrillation is a serious type of arrhythmia, which ...

Two siblings presented with cardiomyopathy, hypertension, arrhythmia, and fibrosis of the left atrium. Each had a homozygous null variant in CORIN, the gene encoding atrial natriuretic peptide ...

Atrial septal aneurysm means that there is a bulge in the interatrial septum. It may not present with symptoms. However, it can occur alongside other heart problems that cause symptoms such as ...

Irregular heart rhythms are common in PAH and tied to higher risk of poor outcomes, with right heart changes helping predict ...