Search Results 171-180 of 15772 for circadian rhythms

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

    Pregnancy. Changes in hormone levels and physical discomfort can result in poor sleep quality. Aging. Older adults need about the same amount of sleep as ...

  2. Cardiopulmonary resuscitation (CPR): First aid - Mayo Clinic

    Count aloud as you push in a fairly rapid rhythm. You should push at a rate of 100 to 120 compressions a minute, just as you would when giving an adult CPR ...

  3. Tachycardia - Diagnosis and treatment - Mayo Clinic

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

  4. Long QT Syndrome Clinic - Overview

    Learn how heart doctors use advanced diagnostic and treatment options to help people with inherited heart rhythm disorders.

  5. Supraventricular tachycardia - Doctors and departments - Mayo Clinic

    SVT is a heart rhythm disorder that causes a very fast or erratic heartbeat. The heart may beat more than 150 times a minute. Know the symptoms and when ...

  6. Supraventricular tachycardia - Doctors and departments - Mayo Clinic

    SVT is a heart rhythm disorder that causes a very fast or erratic heartbeat. The heart may beat more than 150 times a minute. Know the symptoms and when ...

  7. Nighttime headaches: How can I get relief? - Mayo Clinic

    Other people may experience "alarm clock" (hypnic) headaches, which solely begin during sleep. Hypnic headaches are rare and occur most commonly after age ...

  8. Mayo Clinic Minute: Boost your health and productivity with 'activity snacks'

    Lopez-Jimenez says those two to three minutes reset your metabolic clock. "It has been impressive, the biological changes those activity snacks can induce ...

  9. Mayo Clinic Minute: Managing atrial fibrillation

    Please courtesy: "Mayo Clinic News Network." Read the script. A normal heart rhythm should beat like a steady drum. Atrial fibrillation is like a chaotic ...

  10. Echocardiogram - Mayo Clinic

    Sensors attached to the chest and sometimes the legs check the heart rhythm during the test. The test can help a healthcare professional diagnose heart ...