Cardiac muscle tissue has autorhythmicity, the unique ability to initiate a cardiac action potential at a fixed rate—spreading the impulse rapidly from cell to cell to trigger the contraction of the entire heart.

Cardiovascular disease includes heart or blood vessel issues, including: Narrowing of the blood vessels in your heart, other organs or throughout your body. Heart and blood vessel problems present at …

2024年8月13日 · Coronary artery disease is a common heart condition that affects the major blood vessels that supply the heart muscle. A buildup of fats, cholesterol and other substances in and on …

2024年12月10日 · CAD is the most common heart problem and the biggest killer. With CAD, you get blockages in your coronary arteries — the vessels that supply blood to your heart. That can reduce …

2025年12月6日 · heart, organ that serves as a pump to circulate the blood. It may be a straight tube, as in spiders and annelid worms, or a somewhat more elaborate structure with one or more receiving …

4 天之前 · More than 350,000 cardiac arrests happen outside hospitals each year - and 70% occur at home. You can help train more families to act when every second counts by giving a gift that …

1. pertaining to the heart. 2. pertaining to the ostium cardiacum. cardiac arrest sudden and often unexpected stoppage of effective heart action.

2025年5月22日 · The cardiac cycle consists of two phases: systole (contraction) and diastole (relaxation). Some conditions that can affect the heart include heart attack, stroke, heart failure, and …

The meaning of CARDIAC is of, relating to, situated near, or acting on the heart. How to use cardiac in a sentence.

CARDIAC definition: 1. of the heart or heart disease: 2. a cardiac arrest (= a heart attack): 3. of the heart or…. Learn more.