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Heart Health Center

Medical Reference Related to Heart Health

  1. Heart Attack and Unstable Angina - Overview

    What is a heart attack?A heart attack occurs when blood flow to the heart is blocked. Without blood and the oxygen it carries, part of the heart starts to die. A heart attack doesn't have to be deadly. Quick treatment can restore blood flow to the heart and save your life.Your doctor might call a heart attack a myocardial infarction, or MI. What is angina, and why is unstable angina a ...

  2. Mitral Valve Regurgitation - Overview

    What is mitral valve regurgitation (MR)?The mitral valve is similar to a one - way gate in the left side of your heart. Normally, the valve only allows blood to flow from the upper to lower heart chamber. But if the valve becomes diseased or injured so it cannot close properly, blood can leak backward (regurgitate) into the upper chamber (left atrium). The heart then has to work harder to pump thi

  3. Homozygous Familial Hypercholesterolemia

    Learn about the causes, symptoms, and treatment of homozygous familial hypercholesterolemia, a disease that causes very high levels of cholesterol and raises your risk for heart disease.

  4. Coronary Calcium Scan

    Cardiac calcium scoring uses a special X-ray called a computed tomography (CT) scan to find the buildup of calcium on the walls of the arteries of the heart (coronary arteries).

  5. Topic Overview

    What is atrial fibrillation?Atrial fibrillation (say “A - tree - uhl fih - bruh - LAY - shun”) is an irregular heart rhythm (arrhythmia) that starts in the upper parts (atria) of the heart. Normally, the heart beats in a strong, steady rhythm. In atrial fibrillation, a problem with the heart’s electrical system causes the atria to quiver, or fibrillate. The quivering upsets the normal rhythm

  6. Beta-Blockers for Atrial Fibrillation

    Drug details for Beta-blockers for atrial fibrillation.

  7. Cholesterol Management and Food

    What role does soy, fish, oatmeal, and nuts have in managing your cholesterol? Find out.

  8. High Cholesterol in Children

    Learn about the causes and treatments of high cholesterol in children.

  9. Alternative Treatments for High Cholesterol

    Learn about alternative therapies to help control your cholesterol levels, including herbs, supplements, and dietary approaches.

  10. Cholesterol Medications

    Learn about cholesterol-lowering medications available in the U.S.

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