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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 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 …

  3. 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 …

  4. 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 …

  5. 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 the upper …

  6. 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 products, and limits …

  7. Physical Activity and Your Heart - Benefits | NHLBI, NIH

    Mar 24, 2022 · When done regularly, moderate- and vigorous-intensity physical activity strengthens your heart muscle. This improves your heart's ability to pump blood to your lungs and throughout your …

  8. 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 …

  9. DASH Eating Plan | NHLBI, NIH

    Jan 10, 2025 · The DASH eating plan, also known as the DASH diet, is a flexible and balanced eating plan that helps create a heart-healthy eating pattern for life. Learn more about the health benefits of …

  10. Premature ventricular contractions (PVCs) - Mayo Clinic

    Sep 20, 2025 · Some things, including heart diseases or changes in the body, can make cells in the lower heart chambers electrically unstable. Heart disease or scarring may cause the heart's electrical …