DURING the course of investigations of the effect of age on acid mucopolysaccharide content of the human heart valves, we found hyaluronic acid to be a major component. In all it represented about ...

2006;9(10):691-696. The following sections present information about the most commonly implanted (contemporary) mechanical and bioprosthetic heart valves. The intent is to familiarize the reader ...

Complete heart block is when there is a total loss of communication between a person’s atria and the ventricles. This occurs when the SA node is unable to pass a signal to the AV node.

As the heart muscle contracts, it propels the blood out into the vascular system. The heart’s chambers and valves are arranged to direct the flow of the blood as the heart beats. The heart has two ...

It would be impossible to overstate the late David Lynch‘s impact on The A.V. Club, past and present. To pay tribute, we’re touching up some archival posts and lining up additional features ...

Blood pressure and heart rate (pulse) are two important vital signs measured during a healthcare visit. Blood pressure (BP) is a measure of the force of blood on the blood vessel walls. Blood vessels ...

Notch1 is expressed uniformly throughout the mouse endocardium during the initial stages of heart valve formation ... activation of endothelial-to-mesenchymal transition (EMT) in the atrioventricular ...

Acclaimed heart surgeon Professor Sir Magdi Yacoub is spearheading a revolutionary new project in the UK that will soon allow patients to be given new heart valves that naturally grow inside their ...