Heart rate: What's normal? - Mayo Clinic
2022年10月8日 · 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.
Tachycardia - Symptoms and causes - Mayo Clinic
2023年12月15日 · Jeff Olsen: This is a normal heartbeat. [HEART BEATING] Atrial fibrillation interrupts this regular beat. Fred Kusumoto, M.D., Cardiology, Mayo Clinic: In atrial fibrillation, instead of the atria squeezing in a normal regular fashion, the atria beat irregularly and chaotically.
Exercise intensity: How to measure it - Mayo Clinic
2023年8月25日 · To get the most out of exercising, aim for moderate to vigorous exercise intensity. See how to judge your exercise intensity.
Blood pressure chart: What your reading means - Mayo Clinic
2024年2月28日 · 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 numbers.
Bradycardia - Symptoms and causes - Mayo Clinic
6 天之前 · 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.
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 which takes into account the patients underlying rhythm, gender and age.
Hypertensive crisis: What are the symptoms? - Mayo Clinic
2024年6月19日 · A hypertensive crisis is a sudden, severe increase in blood pressure. The blood pressure reading is 180/120 millimeters of mercury (mm Hg) or greater.
High blood pressure (hypertension) - Symptoms & causes - Mayo …
2024年2月29日 · High blood pressure is a common condition that affects the body's arteries. It's also called hypertension. If you have high blood pressure, the force of the blood pushing against the artery walls is consistently too high.
How to measure your respiratory rate - Mayo Clinic
2020年3月23日 · Your respiratory rate is also known as your breathing rate. This is the number of breaths you take per minute.
Sick sinus syndrome - Symptoms & causes - Mayo Clinic
2022年4月30日 · Sick sinus syndrome is a type of heart rhythm disorder. It affects the heart's natural pacemaker (sinus node), which controls the heartbeat.