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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 condition that affects …

  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. How the Heart Works - How Blood Flows through the Heart | NHLBI, NIH

    Jun 25, 2025 · Oxygen-poor blood from the body enters your heart through two large veins called the superior and inferior vena cava. The blood enters the heart's right atrium and is pumped to your right …

  4. 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 heart's arteries. If a …

  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 unhealthy …

  6. 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 can lead to …

  7. Heart arrhythmia - Symptoms and causes - Mayo Clinic

    Oct 13, 2023 · Coronary artery disease, other heart problems and previous heart surgery. Narrowed heart arteries, a heart attack, heart valve disease, prior heart surgery, heart failure, cardiomyopathy …

  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 congenital …

  9. Spotlight on UPFs: NIH explores link between ultra ... - NHLBI, NIH

    Mar 5, 2025 · In addition to heart disease, studies have linked UPFs to weight gain, hypertension, type 2 diabetes, chronic obstructive pulmonary disease, cancer, and other problems. Studies show that …

  10. Coronary Heart Disease Treatment - NHLBI, NIH

    Dec 27, 2024 · Coronary heart disease treatment can include heart-healthy lifestyle changes, medicines, or procedures to help manage heart disease.