Right atrium functions as the entryway to the heart, pushing blood towards right ventricle and the lungs. It also houses the pacemaker of the heart, the sinoatrial node, that initiates and maintains ...

Tricuspid atresia means the heart does not have a tricuspid valve, which means blood cannot flow properly between the right atrium and the right ventricle. People with this condition may have too ...

What is the coronary sinus? Read on to learn more about this important blood vessel in the heart, including its location, function, and role in different heart procedures.

Ischemic heart disease and heart failure are associated with previously unknown changes in the right atrium of the heart, a new study shows. The groundbreaking study reveals how various forms of heart ...