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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. 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 …

  4. Heart disease - Diagnosis and treatment - Mayo Clinic

    Aug 13, 2024 · Learn about symptoms, causes and treatment of cardiovascular disease, a term describing a wide range of conditions that can affect the heart.

  5. Cardiovascular Medicine in Phoenix - Mayo Clinic

    Jan 17, 2024 · The cardiology and cardiovascular medicine team at Mayo Clinic in Phoenix, Arizona, specializes in treatment of complex heart and vascular conditions.

  6. 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 …

  7. Atrial fibrillation - Symptoms and causes - Mayo Clinic

    Oct 3, 2025 · Atrial fibrillation (AFib) is a heart rhythm disorder. In a typical heart, a group of cells called the sinus node sends electrical signals that start each heartbeat. The signals go across …

  8. Heart failure - Symptoms and causes - Mayo Clinic

    Jan 21, 2025 · Some heart conditions slowly leave the heart too weak or stiff to fill and pump blood properly. These conditions include narrowed arteries in the heart and high blood …

  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 …

  10. 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, …