Coronary flow reserve (CFR) is a key sign of coronary artery disease, namely how the coronary arteries that feed blood to the heart may adapt to various physiological situations such as exercise, ...

People fly in airplanes and may vacation at altitudes that are higher than they are accustomed to. Accordingly, a new study by Wyss and colleagues [1] is an important addition to the medical ...

REDWOOD CITY, Calif.--(BUSINESS WIRE)--HeartFlow, Inc., a leader in revolutionizing precision heartcare, today announced new data which indicate that the information provided by the HeartFlow FFRct ...

Coronary steal syndrome is a condition in which blood is taken from a narrowed artery in the heart and rerouted to — in other words, stolen by — other blood vessels. This condition can occur when some ...

Coronary artery disease (CAD) is a major global health concern and one of the leading causes of death worldwide, caused primarily by the buildup of fatty plaque in the arteries that supply oxygen-rich ...

Heart diseases are increasing among young adults. While common cardiovascular conditions, such as high cholesterol or irregular heartbeats, are widely known and can lead to heart attacks, there's one ...

April 11 (UPI) --A newly developed, non-invasive imaging test can help identify which patients with coronary artery blockage or narrowing need angioplasty or a bypass procedure, a U.S. study published ...

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.

In 1921, Otto Loewi (1873-1961) conducted experiments in frogs that used electrical stimulation to activate the vagus nerve. He discovered that stimulating the vagus nerve triggered the release of a ...