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. For example, a well-trained athlete might have a normal resting heart rate closer to 40 beats per minute.
How fit are you? See how you measure up - Mayo Clinic
2024年1月18日 · The target heart rate zone is a heart rate range that gives your heart and lungs a good workout. This zone ranges from 50% to 85% of the maximum heart rate (MHR) for your age. Aim for 50% to 70% of MHR when you do moderately intense activities and 70% to 85% of MHR when you do vigorous activities.
Exercise intensity: How to measure it - Mayo Clinic
2023年8月25日 · This is your target heart rate at 70% intensity. Now multiply 96.5 by 0.85 (85%) to get 82, then add your resting heart rate of 80 to get 162.03. This is your target heart rate at 85% intensity. Your target heart rate zone for vigorous exercise is 148 to 162 beats per minute, rounded to whole numbers.
Mayo Clinic Minute: How to hit your target heart rate
2019年8月6日 · "Well, we want that target heart rate range. And that means we're working hard enough that our heart is getting beneficial activity and beneficial exercise." Dr. Ed Laskowski, co-director of Mayo Clinic Sports Medicine, says you should get about 30 minutes of moderate activity at least five days a week.
Blood pressure chart: What your reading means - Mayo Clinic
2024年2月28日 · The top number measures the pressure in the arteries when the heart beats. Bottom number, called diastolic pressure. The bottom number measures the pressure in the arteries between heartbeats. The American College of Cardiology and the American Heart Association divide blood pressure into four general categories.
Atrial fibrillation - Symptoms and causes - Mayo Clinic
2024年3月8日 · In people with AFib, the heart rate may range from 100 to 175 beats a minute. Causes of atrial fibrillation. Problems with the heart's structure are the most common cause of atrial fibrillation (AFib). Heart diseases and health problems that can cause AFib include: A heart problem you're born with, called a congenital heart defect.
Ejection fraction: An important heart test - Mayo Clinic
2023年2月17日 · The heart contracts and relaxes. When the heart contracts, it pumps out — ejects — blood from the two lower heart chambers, called ventricles. When the heart relaxes, the ventricles refill with blood. No matter how forceful the contraction, the heart can never pump all the blood out of a ventricle.
Tachycardia - Symptoms and causes - Mayo Clinic
2023年12月15日 · Tachycardia is an increased heart rate for any reason. If a fast heart rate is caused by exercise or stress, it's called sinus tachycardia. Sinus tachycardia is a symptom, not a condition. Most heart conditions can lead to different forms of tachycardia. Irregular heart rhythms, called arrhythmias, are one cause.
Pulse pressure: An indicator of heart health? - Mayo Clinic
2023年8月18日 · 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 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 pressure in older adults.
How to take your pulse - Mayo Clinic
2024年4月16日 · 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 …