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 ...

Blood clots in the heart have various causes, such as an irregular heartbeat and damage to coronary artery walls. Blood clots can cause serious symptoms and may require immediate medical intervention.

UCLA researchers have discovered that some scar-forming cells in the heart, known as fibroblasts, have the ability to become endothelial cells — the cells that form blood vessels. The finding could ...

A sudden restriction of blood flow to the brain. That's how scientists have traditionally explained why people faint. But several mysteries remain: What causes someone's blood flow to spontaneously ...