enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  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. Tachycardia - Symptoms and causes - Mayo Clinic

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

    Tachycardia is an increased heart rate for any reason. If a fast heart rate is caused by exercise or stress, it's called sinus tachycardia. Sinus tachycardia is a symptom, not a condition. Most heart conditions can lead to different forms of tachycardia. Irregular heart rhythms, called arrhythmias, are one cause.

  4. Atrial fibrillation - Symptoms and causes - Mayo Clinic

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

    In people with AFib, the heart rate may range from 100 to 175 beats a minute. Causes of atrial fibrillation. Problems with the heart's structure are the most common cause of atrial fibrillation (AFib). Heart diseases and health problems that can cause AFib include: A heart problem you're born with, called a congenital heart defect.

  5. 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.

  6. Heart palpitations - Symptoms & causes - Mayo Clinic

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

    Often the cause of heart palpitations can't be found. Common causes include: Strong emotional responses, such as stress, anxiety or panic attacks. Depression. Strenuous exercise. Stimulants, including caffeine, nicotine, cocaine, amphetamines, and cold and cough medications that contain pseudoephedrine. Fever.

  7. Tachycardia - Diagnosis and treatment - Mayo Clinic

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

    Slowing a fast heart rate. A fast heart rate may correct itself. But sometimes medicine or other treatments are needed to slow down the heartbeat. Ways to slow a fast heart rate include: Vagal maneuvers. Simple but specific actions such as coughing, bearing down as if passing stool or putting an ice pack on the face can help slow down the heart ...

  8. 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 ...

  9. Bradycardia - Symptoms and causes - Mayo Clinic

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

    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 than 60 times a minute. Bradycardia can be a serious problem if the heart rate is very slow and the heart can't pump enough oxygen-rich blood to the body.

  10. Pacemaker - Mayo Clinic

    www.mayoclinic.org/tests-procedures/pacemaker/about/pac...

    A pacemaker is a small, battery-powered device that prevents the heart from beating too slowly. You need surgery to get a pacemaker. The device is placed under the skin near the collarbone. A pacemaker also is called a cardiac pacing device. There are different types of pacemakers. Single chamber pacemaker. This type usually sends electrical ...

  11. Ejection fraction: An important heart test - Mayo Clinic

    www.mayoclinic.org/tests-procedures/ekg/expert-answers/...

    A left ventricle (LV) ejection fraction of about 50% to 70% is categorized as normal. A mildly reduced LV ejection fraction is usually between 41% and 49%. A reduced LV ejection fraction is usually 40% or less. Even if you have a normal ejection fraction, your overall heart function may not be healthy.