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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. Blood pressure chart: What your reading means - Mayo Clinic

    Feb 28, 2024 · A blood pressure measurement over 180/120 mm Hg is called a hypertensive emergency or crisis. Seek emergency medical help for anyone with these blood pressure …

  3. Bradycardia - Symptoms and causes - Mayo Clinic

    Dec 13, 2024 · 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 …

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

    Aug 18, 2023 · Checking your pulse pressure may help your care team predict your risk of heart and blood vessel events, such as heart attacks and strokes. A pulse pressure greater than 60 …

  5. Tachycardia - Symptoms and causes - Mayo Clinic

    Dec 15, 2023 · Tachycardia (tak-ih-KAHR-dee-uh) is the medical term for a heart rate over 100 beats a minute. Many types of irregular heart rhythms, called arrhythmias, can cause …

  6. How to take your pulse - Mayo Clinic

    Apr 16, 2024 · 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. …

  7. Heart palpitations in adults - Mayo Clinic

    When to seek medical advice See your doctor if you experience the feeling of a rapid, fluttering or pounding heart (heart palpitations). Heart palpitations that occur without other symptoms don't …

  8. Heart palpitations - Symptoms & causes - Mayo Clinic

    Mar 11, 2022 · Heart palpitations (pal-pih-TAY-shuns) are feelings of having a fast-beating, fluttering or pounding heart. Stress, exercise, medication or, rarely, a medical condition can …

  9. Heart arrhythmia - Symptoms and causes - Mayo Clinic

    Oct 13, 2023 · Heart problems present at birth. Also called congenital heart defects, some of these problems may affect the heart rate and rhythm. Thyroid disease. Having an overactive …

  10. Low blood oxygen (hypoxemia) - Mayo Clinic

    Sep 30, 2005 · A healthy level of oxygen in the arteries is about 75 to 100 millimeters of mercury (mm Hg). Hypoxemia is any value under 60 mm Hg. Levels of oxygen and the waste gas …