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

    Oct 22, 2025 · A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a health condition.

  2. How fit are you? See how you measure up - Mayo Clinic

    Jan 18, 2024 · The target heart rate zone is a heart rate range that gives your heart and lungs a good workout. This zone ranges from 50% to 85% of the maximum heart rate (MHR) for your …

  3. Exercise intensity: How to measure it - Mayo Clinic

    Aug 25, 2023 · Calculate your resting heart rate by counting how many times your heart beats each minute when you are at rest, such as first thing in the morning. It's usually somewhere …

  4. Bradycardia - Symptoms and causes - Mayo Clinic

    Dec 13, 2024 · Bradycardia (brad-e-KAHR-dee-uh) is a slow heart rate. The hearts of adults at rest usually beat between 60 and 100 times a minute. If you have bradycardia, your heart …

  5. Supraventricular tachycardia - Symptoms and causes - Mayo Clinic

    Mar 7, 2024 · The heart beats 100 or more times a minute. Usually during SVT, the heart beats 150 to 220 times a minute. The fast heartbeat may come and go suddenly. Symptoms of …

  6. Exercise: How much do I need every day? - Mayo Clinic

    Jul 26, 2023 · Request Appointment Healthy Lifestyle Fitness How much should the average adult exercise every day? For most healthy adults, the Department of Health and Human Services …

  7. Lisinopril (oral route) - Side effects & dosage - Mayo Clinic

    Dec 1, 2025 · After a heart attack, some of the heart muscle is damaged and weakened. The heart muscle may continue to weaken as time goes by. This makes it more difficult for the …

  8. Heart conditions and pregnancy: Know the risks - Mayo Clinic

    Aug 10, 2023 · The heart also pumps more blood each minute, and the heart rate increases. Labor and delivery add to the heart's workload too. During labor, there are sudden changes in …

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

    This calculator calculates the heart rate-corrected QT interval and guides prescription decisions to prevent drug-induced QT interval prolongation.

  10. Clonidine hydrochloride (oral route) - Side effects & dosage

    Dec 1, 2025 · It may also cause withdrawal side effects (eg, anxiety, chest tightness, headache, increased heart rate, nausea, flushing or warm feeling, lightheadedness, or nervousness). Do …