If you clench your hand into a fist, this is approximately the same size as your heart. It is located in the middle of the chest and slightly towards the left. The heart is a large muscular pump ...

The hallmark symptom of aortic dissection is sudden, severe chest pain that may radiate to the back. Dr. You Hao-chun, the director of cardiovascular surgery at Fu Jen Catholic University Hospital, ...

Pulmonary hypertension (PH) risk grows over time for patients with narrowing of the aorta, the body's biggest blood vessel, ...

The semilunar valves stop the back flow of blood into the heart. There is a semilunar valve where the aorta leaves the left ventricle and another where the pulmonary artery leaves the right ventricle.