The film presents a detailed fluorographic study of the normal heart using venous catheterization, showcasing physiological data such as pressure and flow measurements. It illustrates blood flow ...

Chest pain may still be angina even when coronary angiogram testing shows the main heart arteries look clear. Using stress ...

The chambers of the heart operate as a ‘double-pump’ system for the body’s circulation. In coordination with valves, the chambers work to keep blood flowing in the proper sequence. The chambers on the ...

The four valves of the heart allow blood to flow through the heart in the right direction. The valves open or close each time the heart beats. Problems with the heart valves can lead to palpitations, ...

Your circulatory system contains three blood vessel types: arteries, veins, and capillaries. Arteries carry blood from the heart, unlike veins, which carry blood to the heart. According to the ...

A heart attack, or myocardial infarction, happens when oxygen-rich blood does not reach a part of the heart muscle. When you purchase through links on our site, we may earn an affiliate commission.