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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. 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 …

  3. 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 …

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

    Aug 25, 2023 · To get the most out of exercising, aim for moderate to vigorous exercise intensity. See how to judge your exercise intensity.

  5. Supraventricular tachycardia - Symptoms and causes - Mayo Clinic

    Mar 7, 2024 · Supraventricular tachycardia (SVT) is a type of irregular heartbeat, also called an arrhythmia. It's a very fast or erratic heartbeat that affects the heart's upper chambers. SVT also is …

  6. Vasovagal syncope - Symptoms and causes - Mayo Clinic

    Feb 15, 2025 · Vasovagal syncope is usually harmless and requires no treatment. But it's possible that you may injure yourself during a vasovagal syncope episode. Your healthcare professional may …

  7. Borderline personality disorder - Mayo Clinic

    Jan 31, 2024 · Overview Borderline personality disorder is a mental health condition that affects the way people feel about themselves and others, making it hard to function in everyday life. It includes a …

  8. Tachycardia - Diagnosis and treatment - Mayo Clinic

    Dec 15, 2023 · Learn more about the symptoms and treatment of this heart rhythm disorder, which causes a rapid heart rate.

  9. 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 …

  10. Pulse pressure: An indicator of heart health? - Mayo Clinic

    Aug 18, 2023 · Pulse pressure may be a strong predictor of heart problems, especially for older adults.