When someone has a heart attack the signs and symptoms can slowly progress as the coronary arteries narrow with atherosclerosis. This is the buildup of plaque in the artery. When a coronary artery ...

image: An international team of researchers has discovered a group of cells in the brain that may function as a 'master-controller' for the cardiovascular system, orchestrating the control of blood ...

Heart attacks often start with subtle signs like jaw pain or fatigue. Learn early symptoms, the Golden Hour response, and expert life-saving tips. (Image: Pexels) Heart attacks don’t always sweep in ...

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 ...

Biomedical engineers at Duke University are developing a massive fluid dynamics simulator that can model blood flow through the full human arterial system at subcellular resolution. One of the goals ...

When doctors need to confirm a coronary artery blockage, they usually recommend a cardiac catheterization. But the procedure, which threads a narrow tube to the heart through the groin, neck or arm, ...

Filip Hammaréus, PhD student, and Petter Dyverfeldt, professor, at Linköping University. The research was performed at the Center for Medical Image Science and Visualization in Linköping, Sweden.

Researchers have developed a method for cheaply producing heart valves in the span of minutes that are functional immediately after being implanted into sheep. The scientists call their method ...

Researchers have discovered that a certain type of cell that sits on top of the brain's smallest blood vessels senses when their brain region needs energy. When glucose levels are low, these cells ...