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 ...

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 ...

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 ...

High blood pressure, or hypertension, is a silent threat to heart health. It gradually damages blood vessels and the heart, forcing it to work harder. This can lead to serious issues like heart ...

Using artificial intelligence (AI) to analyze electrocardiograms (ECG) improved detection of severe heart attacks, including ...

"TCT 2025: Elixir Medical’s arterial implant drops coronary events by nearly 50%" was originally created and published by ...

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 ...