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

    www.mayoclinic.org/healthy-lifestyle/fitness/expert-answers...

    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 cardiovascular fitness. For example, a well-trained athlete might have a normal resting heart rate closer to 40 beats per minute. To measure your heart rate, simply check your pulse.

  3. Bradycardia - Symptoms and causes - Mayo Clinic

    www.mayoclinic.org/diseases-conditions/bradycardia/...

    A slow heart rate isn't always a concern. For example, a resting heart rate between 40 and 60 beats a minute is quite common during sleep and in some people, particularly healthy young adults and trained athletes. If bradycardia is severe, an implanted pacemaker may be needed to help the heart maintain an appropriate rate.

  4. Tachycardia - Symptoms and causes - Mayo Clinic

    www.mayoclinic.org/diseases-conditions/tachycardia/...

    The signals then go to the lower heart chambers. In a healthy heart, this signaling process usually goes smoothly. The resting heart rate is typically 60 to 100 beats a minute. But in tachycardia, something causes the heart to beat faster than 100 beats a minute. Risk factors

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

    www.mayoclinic.org/healthy-lifestyle/fitness/in-depth/...

    Your heart rate at rest is a measure of heart health and fitness. For most adults, a healthy heart rate is between 60 to 100 beats per minute. To check your pulse at the blood vessel in the neck called the carotid artery, place your index and third fingers on your neck to the side of your windpipe. To check your pulse at your wrist, place two ...

  6. How to take your pulse - Mayo Clinic

    www.mayoclinic.org/how-to-take-pulse/art-20482581

    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 the carotid artery in the neck. Heart rates vary from person to person. Knowing your heart rate can help you gauge your heart health.

  7. Heart arrhythmia - Symptoms and causes - Mayo Clinic

    www.mayoclinic.org/diseases-conditions/heart-arrhythmia/...

    A heart-healthy lifestyle can help prevent heart damage that can trigger some heart arrhythmias. Types. In general, heart arrhythmias are grouped by the speed of the heart rate. For example: Tachycardia (tak-ih-KAHR-dee-uh) is a fast heartbeat. The heart rate is greater than 100 beats a minute. Bradycardia (brad-e-KAHR-dee-uh) is a slow heartbeat.

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

    www.mayoclinic.org/healthy-lifestyle/fitness/in-depth/...

    Multiply 96.5 by 0.7 (70%) to get 67.5, then add your resting heart rate of 80 to get 147.5. This is your target heart rate at 70% intensity. Now multiply 96.5 by 0.85 (85%) to get 82, then add your resting heart rate of 80 to get 162.03. This is your target heart rate at 85% intensity.

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

    www.mayoclinic.org/healthy-lifestyle/pregnancy-week-by...

    Pregnancy makes the heart and blood vessels work harder. During pregnancy, blood volume increases by 30% to 50% to nourish the growing baby. 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 blood flow and blood pressure ...

  10. Atrial fibrillation - Symptoms and causes - Mayo Clinic

    www.mayoclinic.org/diseases-conditions/atrial-fibrillation/...

    The signals then go to the lower heart chambers. In a healthy heart, this signaling process usually goes smoothly. The resting heart rate is typically 60 to 100 beats a minute. But in atrial fibrillation, the signals in the upper chambers of the heart are chaotic. As a result, the upper chambers tremble or shake.

  11. Ventricular tachycardia - Symptoms and causes - Mayo Clinic

    www.mayoclinic.org/diseases-conditions/ventricular...

    They pass through a pathway between the upper and lower heart chambers called the atrioventricular (AV) node. The movement of the signals causes the heart to squeeze and pump blood. In a healthy heart, this heart signaling process usually goes smoothly, resulting in a resting heart rate of 60 to 100 beats a minute.