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  1. Heart rate: What's normal? - Mayo Clinic

    Oct 8, 2022 · A normal resting heart rate for adults ranges from 60 to 100 beats per minute. Generally, a lower heart rate at rest implies more efficient heart function and better …

  2. Calorie calculator - Mayo Clinic

    If you're pregnant or breast-feeding, are a competitive athlete, or have a metabolic disease, such as diabetes, the calorie calculator may overestimate or underestimate your actual calorie needs.

  3. Stool color: When to worry - Mayo Clinic

    Oct 10, 2024 · Stool comes in a range of colors. All shades of brown and even green are considered typical. Only rarely does stool color indicate a possibly serious intestinal condition. …

  4. Aspartate aminotransferase (AST) blood test - Mayo Clinic

    May 20, 2025 · An aspartate aminotransferase test, also called an AST test, is a blood test. It's commonly used to check the health of the liver. AST is a substance found mostly in the liver. …

  5. 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, …

  6. Mayo Clinic corrected QT interval (QTc) calculator - Medical ...

    Worried about QT interval prolongation? This online evidence based resource will help guide you how to measure the QT interval and calculate the QTc value with an easy to use calculator …

  7. Hiponatremia - Síntomas y causas - Mayo Clinic

    May 17, 2022 · Un nivel normal de sodio en la sangre oscila entre 135 y 145 miliequivalentes por litro (mEq/L). La hiponatremia se produce cuando el sodio en el cuerpo se encuentra por …

  8. Hyponatremia - Symptoms and causes - Mayo Clinic

    May 17, 2022 · Sodium plays a key role in your body. It helps maintain normal blood pressure, supports the work of your nerves and muscles, and regulates your body's fluid balance. A …

  9. Enlarged liver - Symptoms & causes - Mayo Clinic

    Mar 5, 2022 · An enlarged liver is one that's bigger than normal. The medical term is hepatomegaly (hep-uh-toe-MEG-uh-le). Rather than a disease, an enlarged liver is a sign of …

  10. How many hours of sleep are enough? - Mayo Clinic

    Feb 1, 2025 · Age group Recommended amount of sleep; Infants 4 months to 12 months: 12 to 16 hours per 24 hours, including naps: 1 to 2 years

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