The coronary sinus (CS) refers to a collection of veins that join together to form a large blood vessel. This vein is located between the left atrium and the left ventricle of the heart. A collection ...

Your heart is a muscular organ that helps circulate your blood, which delivers oxygen and nutrients to your tissues. There are four chambers and four valves in your heart, and each ensures proper ...

Heart imaging tests provide a picture of the heart, blood vessels, and surrounding tissue to help diagnose and monitor conditions that affect this organ. A doctor can use the images from these tests ...