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  1. Heart - Wikipedia

    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.

  2. Heart: Anatomy & Function - Cleveland Clinic

    Jan 26, 2024 · Electrical impulses make your heart beat, moving blood through these chambers. Your brain and nervous system direct your heart’s function. What is the function of the heart? Your heart’s …

  3. What Is Cardiovascular Disease? | American Heart Association

    Jan 10, 2024 · Cardiovascular disease (CVD) can refer to many conditions: Heart and blood vessel disease, also called heart disease, includes numerous problems, many of which are related to …

  4. Heart disease - Symptoms and causes - Mayo Clinic

    Aug 13, 2024 · 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 the artery …

  5. Cardiac | definition of cardiac by Medical dictionary

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

  6. Heart | Structure, Function, Diagram, Anatomy, & Facts | Britannica

    Jan 21, 2026 · 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 …

  7. About Heart Disease | Heart Disease | CDC

    May 15, 2024 · High blood pressure, high blood cholesterol, and smoking are key risk factors. 1 out of every 5 deaths in the United States are due to heart disease. What is heart disease? The term "heart …

  8. Cardiovascular system: Function, organs, conditions, and more

    May 22, 2025 · 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 arrhythmia.

  9. CARDIAC Definition & Meaning - Merriam-Webster

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

  10. Texas Health Heart & Vascular Arlington | Hospital in Arlington, TX

    Cardiac rehabilitation is available at Texas Health Arlington Memorial that allows for a seamless transition to continue your recovery after discharge. Cardiac rehab includes activities related to …