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  • Heart rate: Whats normal? - Mayo Clinic
    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
  • Frecuencia cardíaca: ¿cuál es la normal? - Mayo Clinic
    Una frecuencia cardíaca en reposo normal para los adultos oscila entre 60 y 100 latidos por minuto Una frecuencia cardíaca por encima o por debajo puede indicar una afección de salud
  • How to take your pulse - Mayo Clinic
    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 Take your pulse
  • Heart arrhythmia - Symptoms and causes - Mayo Clinic
    Coronary artery disease, other heart problems and previous heart surgery Narrowed heart arteries, a heart attack, heart valve disease, prior heart surgery, heart failure, cardiomyopathy and other heart damage are risk factors for almost any kind of arrhythmia
  • Heart disease - Symptoms and causes - Mayo Clinic
    Symptoms Heart disease symptoms depend on the type of heart disease Symptoms of heart disease in the blood vessels Coronary artery disease is a common heart condition that affects the major blood vessels that supply the heart muscle A buildup of fats, cholesterol and other substances in and on the artery walls usually causes coronary artery disease This buildup is called plaque The buildup
  • 心率：什么情况才算正常？ - 妙佑医疗国际 - Mayo Clinic
    妙佑医疗国际的亚利桑那州、佛罗里达州和明尼苏达州以及妙佑区域医疗系统地点均接受约诊。 成人正常静息心率为每分钟 60-100 次。 静息心率是指您在清醒、平静且不活动的情况下，心脏每分钟跳动的次数。较低的静息心率
  • Bradycardia - Symptoms and causes - Mayo Clinic
    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 If this happens, you may feel dizzy, very tired or weak, and
  • Exercise intensity: How to measure it - Mayo Clinic
    Exercise intensity also can be seen in your breathing and heart rate, whether you're sweating, and how tired your muscles feel You can measure exercise intensity in two basic ways: How you feel Exercise intensity is a subjective measure of how hard physical activity feels to you while you're doing it, called your perceived exertion
  • Heart failure - Symptoms and causes - Mayo Clinic
    Heart failure occurs when the heart muscle doesn't pump blood as well as it should Blood often backs up and causes fluid to build up in the lungs and in the legs The fluid buildup can cause shortness of breath and swelling of the legs and feet Poor blood flow may cause the skin to look blue or gray Depending on your skin color, these color changes may be harder or easier to see Some types
  • Vasovagal syncope - Symptoms and causes - Mayo Clinic
    Vasovagal syncope can happen without a trigger During a vasovagal syncope episode, your heart rate slows, and the blood vessels in your legs widen This allows blood to pool in your legs, which lowers your blood pressure The drop in blood pressure and slowed heart rate quickly reduce blood flow to your brain, and you faint





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