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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. Heart arrhythmia - Symptoms and causes - Mayo Clinic

    Oct 13, 2023 · A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. A heart arrhythmia occurs when the electrical signals that tell the heart to beat don't work properly. The heart may beat too fast …

  3. 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 beats fewer …

  4. Atrial tachycardia - Symptoms and causes - Mayo Clinic

    Typically during atrial tachycardia, the heart beats 150 to 200 times a minute. The fast heartbeat may come and go suddenly, or it can be ongoing. Other symptoms of atrial tachycardia may include: …

  5. Tachycardia - Symptoms and causes - Mayo Clinic

    Dec 15, 2023 · Tachycardia (tak-ih-KAHR-dee-uh) is the medical term for a heart rate over 100 beats a minute. Many types of irregular heart rhythms, called arrhythmias, can cause tachycardia. A fast …

  6. How to take your pulse - Mayo Clinic

    Apr 16, 2024 · How to take your pulse By Mayo Clinic Staff A pulse is the heart rate. It's the number of times the heart beats in one minute. The pulse can be measured using the radial artery in the wrist or …

  7. 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 between 60 …

  8. 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 supraventricular …

  9. Checking pulse over the carotid artery - Mayo Clinic

    Healthy Lifestyle Fitness Checking pulse over the carotid artery To check your pulse over your carotid artery, place your index and third fingers on your neck to the side of your windpipe. When you feel …

  10. Atrioventricular nodal reentry tachycardia (AVNRT) - Mayo Clinic

    Oct 5, 2024 · Symptoms A very fast heartbeat is the most common symptom of atrioventricular nodal reentry tachycardia (AVNRT). In AVNRT, the heart can beat between 120 to 280 times a minute. The …