Angina pectoris, often shortened to angina, is chest pain or discomfort caused by reduced blood flow to the heart and most ...

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, ...

Six months after the procedure, the patient showed no signs of coronary artery obstruction, meaning VECTOR's first outing in ...

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 ...

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 ...

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.

Cold weather and sudden effort can quietly strain the heart. Cardiologist Dr Dmitry Yaranov explains why a common winter activity may be riskier than it looks.

The coronary artery supplies blood to the heart. If calcium builds up in the coronary artery, it can lead to coronary artery disease and increase a person’s risk of a heart attack. Calcium is the most ...

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 ...