Oxygen-poor blood (shown in blue) flows from the body into the right atrium. Blood flows through the right atrium into the right ventricle.

Arterial plaque can reduce blood flow or, in some instances, block it altogether. Clogged arteries greatly increase the likelihood of heart attack, stroke, and even death.

Cocaine users have subtle abnormalities in blood flow through the heart's smallest blood vessels. The abnormalities can occur while the heart appears normal on imaging test, putting cocaine users ...

Using the new technology, the team discovered that pressure inside the heart goes up when given a specific medication for testing the heart's blood flow.

This happens as the blood flows turbulently rather than smoothly through the blood vessels, causing adjacent soft-cardiac tissues to vibrate. This article explores heart murmur sounds.

A leaky heart valve may cause no problems or it may signify congestive heart failure. WebMD takes a look at the causes, symptoms, and treatments for a leaky heart valve.

The agency OK’d an artificial vessel to restore blood flow in patients, even though its own scientists flagged questionable study results and potentially fatal ruptures of the product.

For people with advanced heart failure, left ventricular assist devices, or LVADs, can be a literal lifesaver. The implantable devices, which improve blood flow throughout the body, are often the last ...

A study at Mayo Clinic suggests that an hourglass-shaped stent could improve blood flow and ease severe and reoccurring chest pain in people with microvascular disease.

Blood flow through the body's large vessels and in the heart can be measured and visualised with magnetic resonance imaging, using an advanced technology called 4D flow MRI that is available in a ...

For people with advanced heart failure, left ventricular assist devices, or LVADs, can be a literal lifesaver. The implantable devices, which improve blood flow throughout the body, are often the ...