
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. A heart rate above or below that may signal a problem.
Blood pressure chart: What your reading means - Mayo Clinic
2024年2月28日 · Checking your blood pressure helps you avoid health problems. Learn more about what your numbers mean.
Bradycardia - Symptoms and causes - Mayo Clinic
2024年12月13日 · 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 ...
Tachycardia - Symptoms and causes - Mayo Clinic
2023年12月15日 · 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 tachycardia. A fast heart rate isn't always a concern. For instance, the heart rate usually rises during exercise or as a response to stress.
心率:什么情况才算正常? - 妙佑医疗国际 - Mayo Clinic
2022年10月8日 · 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。 一般而言,静息时较低的心率意味着更有效的心脏功能和更好的心血管适应性。例如,一位 ...
Low blood pressure (hypotension) - Symptoms and causes
2024年6月13日 · What's considered low blood pressure for one person might be OK for someone else though. Low blood pressure might cause no symptoms that you notice. Or it might cause dizziness and fainting. Sometimes, low blood pressure can be life-threatening. The causes of low blood pressure include dehydration and other serious medical conditions. It's important to find out what's causing low blood ...
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.
Pulse pressure: An indicator of heart health? - Mayo Clinic
2023年8月18日 · Pulse pressure is determined from the two numbers of a blood pressure reading. Blood pressure is measured in millimeters of mercury (mm Hg). The top number is called systolic pressure. This is the pressure in the arteries when the heart beats. The bottom number is called diastolic pressure. This is pressure in the arteries between heartbeats.
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. A hypertensive crisis is a medical emergency. It can lead to a heart attack, stroke or other life-threatening health problems. Seek emergency medical help for anyone with these blood pressure numbers.
Frecuencia cardíaca: ¿cuál es la normal? - Mayo Clinic
2022年10月8日 · 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 un problema.