About 322,000 results
Open links in new tab
  1. Ejection fraction: An important heart test - Mayo Clinic

    Jan 29, 2025 · Ejection fraction is a measurement of the percentage of blood leaving the heart each time it squeezes. When the heart squeezes, it's called a contraction. Ejection fraction is …

  2. Heart failure with preserved ejection fraction (HFpEF): More than ...

    May 20, 2015 · Nearly half of all patients with heart failure have a normal ejection fraction (EF). The prevalence of this syndrome, termed heart failure with preserved ejection fraction …

  3. Cholecystitis - Symptoms and causes - Mayo Clinic

    Oct 23, 2024 · Cholecystitis (ko-luh-sis-TIE-tis) is swelling and irritation, called inflammation, of the gallbladder. The gallbladder is a small, pear-shaped organ on the right side of the belly …

  4. HIDA scan - Mayo Clinic

    Jun 17, 2025 · Overview. A hepatobiliary iminodiacetic acid (HIDA) scan is an imaging procedure used to diagnose problems of the liver, gallbladder and bile ducts.

  5. Mitral valve regurgitation - Symptoms and causes - Mayo Clinic

    Overview. Mitral valve regurgitation is the most common type of heart valve disease. In this condition, the valve between the left heart chambers doesn't close fully.

  6. Tachycardia - Symptoms and causes - Mayo Clinic

    Dec 15, 2023 · Jeff Olsen: This is a normal heartbeat. [HEART BEATING] Atrial fibrillation interrupts this regular beat. Fred Kusumoto, M.D., Cardiology, Mayo Clinic: In atrial fibrillation, …

  7. Heart failure - Symptoms and causes - Mayo Clinic

    Jan 21, 2025 · Heart failure. Heart failure occurs when the heart muscle doesn't pump blood as well as it should. Blood often backs up and causes fluid to build up in the lungs and in the legs.

  8. Pericardial effusion - Symptoms & causes - Mayo Clinic

    Nov 13, 2021 · Pericardial effusion (per-e-KAHR-dee-ul uh-FU-zhun) is the buildup of too much fluid in the double-layered, saclike structure around the heart (pericardium).

  9. Ivermectin (oral route) - Mayo Clinic

    Feb 1, 2025 · Appropriate studies have not been performed on the relationship of age to the effects of ivermectin in children weighing less than 15 kilograms (kg). Safety and efficacy have …

  10. Top-ranked Hospital in the Nation - Mayo Clinic

    Mayo Clinic is a top-ranked hospital in the U.S., with campuses in Arizona, Florida, and Minnesota

Refresh