Coronary arteries are a vital part of the human heart, providing it with oxygen-rich blood so that it can work. By comparing the hearts of mammals, birds, reptiles, fish and frogs, a ...

FRANCE — Did you know that, long before anyone else, Leonardo da Vinci called into question Galen's description of how the heart works? This is just one of the many interesting tidbits featured in ...

In a study of 130 volunteers conducted at the Federal University of São Carlos, a drastic decrease in heart rate variability, i.e. the heart’s ability to adapt to environmental and physiological ...

This technology from Corify Care records the heart’s electrical activity in real time, speeding diagnosis and improving ...

What Is the Heart Conduction System? The heart conduction system is made up of cells, nodes, and signals that help your heart to beat. In fact, the cardiac conduction system is responsible for our ...