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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 …

  3. Bradicardia - Síntomas y causas - Mayo Clinic

    Dec 13, 2024 · Una frecuencia cardíaca baja no siempre es un problema. Por ejemplo, una frecuencia cardíaca en reposo de entre 40 y 60 latidos por minuto es común en algunas …

  4. Atrial tachycardia - Symptoms and causes - Mayo Clinic

    Overview Atrial tachycardia is an irregular heartbeat, called an arrhythmia. It's a type of supraventricular tachycardia. During an atrial tachycardia episode, the heart beats more than …

  5. Frecuencia cardíaca: ¿cuál es la normal? - Mayo Clinic

    Dec 18, 2025 · Una frecuencia cardíaca en reposo normal para los adultos oscila entre 60 y 100 latidos por minuto. Tu frecuencia cardíaca en reposo es la cantidad de veces que tu corazón …

  6. 心率:什么情况才算正常? - 妙佑医疗国际 - Mayo Clinic

    Oct 8, 2022 · 尽管心率有广泛的正常范围,但异常高或异常低的心率可能提示有基础疾病。如果您的静息心率持续高于 100 次/分钟(心动过速)或您不是受训运动员而静息心率低于 60 次/分 …

  7. Mayo Clinic corrected QT interval (QTc) calculator - Medical ...

    Worried about QT interval prolongation? This online evidence based resource will help guide you how to measure the QT interval and calculate the QTc value with an easy to use calculator …

  8. Bradycardia - Diagnosis and treatment - Mayo Clinic

    Dec 13, 2024 · Diagnosis To diagnose bradycardia, a healthcare professional examines you and listens to your heart with a stethoscope. You are usually asked questions about your …

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

    Aug 18, 2023 · A pulse pressure greater than 60 is a risk factor for heart disease, especially for older adults. Stiffness of the body's largest arteries is the leading cause of increased pulse …

  10. 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.