The right atrium collects deoxygenated blood and sends it to the lungs for oxygen. The electrical signal that makes the heart beat starts in the right atrium. Conditions affecting the right atrium can ...

Through dissection of the gene expression changes in the right atrium, the study provides a snapshot into the molecular mechanisms underlying major cardiovascular diseases. These insights could pave ...

An atrial septal defect is a congenital heart issue. According to the Centers for Disease Control and Prevention (CDC), it develops in about 1 in 1,859 babies in the United States. An atrial septal ...

Heart valves allow blood to flow one way and prevent it from flowing in the wrong direction. The tricuspid valve controls blood flow between the right atrium and right ventricle. The bicuspid or ...

Dyspnea, elevated troponin, and right heart strain can signal pulmonary embolism even when chest pain is absent, making ...

Single-chamber ventricular leadless pacemakers do not support atrial pacing or consistent atrioventricular synchrony. A dual-chamber leadless pacemaker system consisting of two devices implanted ...