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  1. Heart disease - Symptoms and causes - Mayo Clinic

    Aug 13, 2024 · Symptoms Heart disease symptoms depend on the type of heart disease. Symptoms of heart disease in the blood vessels Coronary artery disease is a common heart …

  2. How the Heart Works - How the Heart Beats | NHLBI, NIH

    Jun 25, 2025 · Your heartbeat is the contraction of your heart to pump blood to your lungs and the rest of your body. Your heart's electrical system determines how fast your heart beats.

  3. What Is Coronary Heart Disease? - NHLBI, NIH

    Dec 27, 2024 · Coronary heart disease is a type of heart disease that occurs when the arteries of the heart cannot deliver enough oxygen -rich blood to the heart muscle due to narrowing from …

  4. Heart and Vascular Diseases - NHLBI, NIH

    Heart and vascular, or cardiovascular, diseases include conditions such as arrhythmias, coronary heart disease, heart attack, high blood pressure, congenital heart defects, vascular dementia, …

  5. Coronary Heart Disease Risk Factors - NHLBI, NIH

    Dec 27, 2024 · Your risk of coronary heart disease increases based on the number of risk factors you have and how serious they are. Some risk factors — such as high blood pressure and …

  6. Heart attack - Symptoms & causes - Mayo Clinic

    Oct 9, 2023 · A heart attack occurs when an artery that sends blood and oxygen to the heart is blocked. Fatty, cholesterol-containing deposits build up over time, forming plaques in the …

  7. Cardiomyopathy - Symptoms and causes - Mayo Clinic

    Feb 21, 2024 · Overview Cardiomyopathy (kahr-dee-o-my-OP-uh-thee) is a disease of the heart muscle. It causes the heart to have a harder time pumping blood to the rest of the body, which …

  8. Atrial tachycardia - Symptoms and causes - Mayo Clinic

    Atrial tachycardia risk factors include: Heart conditions such as coronary artery disease, heart valve disease and other heart diseases. Heart failure. Heart condition present at birth, called a …

  9. Heart-Healthy Eating Plan What you eat makes a diference to your heart. A heart-healthy eating plan emphasizes vegetables, fruits, and whole grains, includes fat-free or low-fat dairy …

  10. Education and Awareness - NHLBI, NIH

    The National Heart, Lung, and Blood Institute (NHLBI) develops health education and awareness programs to effect positive change in public health. These initiatives focus on implementing …