Pulmonary angiography is a test that studies blood flow in your lungs. Its purpose is to find problems such as pulmonary embolisms (blood clots in your lungs), stenosis (narrowed blood vessels ...

A stent is tubular in shape and usually made of metal or ceramic. It is designed to keep a part of the coronary artery open. Coronary arteries are the blood vessels that carry blood to the heart ...

Symptoms may include shortness of breath, tiredness, and swelling in the legs. Other symptoms may include dizziness, fainting ...