
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.
Exercise intensity: How to measure it - Mayo Clinic
Aug 25, 2023 · If you think you're working hard, your heart rate is probably higher than usual. Your heart rate. Your heart rate offers a more fact-based look at exercise intensity. In general, the higher the …
Blood pressure chart: What your reading means - Mayo Clinic
Dec 24, 2025 · The American College of Cardiology and the American Heart Association divide blood pressure into four general categories. Ideal blood pressure is categorized as normal. Increased blood …
Ejection fraction: An important heart test - Mayo Clinic
Jan 29, 2025 · Ejection fraction is a measurement of the percentage of blood leaving the heart each time it squeezes. When the heart squeezes, it's called a contraction. Ejection fraction is just one of many …
How fit are you? See how you measure up - Mayo Clinic
Jan 18, 2024 · Checking pulse over the carotid artery Your heart rate at rest is a measure of heart health and fitness. For most adults, a healthy heart rate is between 60 to 100 beats per minute. To check …
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. Heart …
Mayo Clinic corrected QT interval (QTc) calculator - Medical ...
This calculator calculates the heart rate-corrected QT interval and guides prescription decisions to prevent drug-induced QT interval prolongation.
Atrial fibrillation - Symptoms and causes - Mayo Clinic
Oct 3, 2025 · Permanent. The irregular heart rhythm can't be reset. Medicines are needed to control the heart rate and to prevent blood clots. When to see a doctor If you have symptoms of atrial fibrillation, …
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 late cada …
Electrocardiogram (ECG or EKG) - Mayo Clinic
Apr 2, 2024 · An electrocardiogram (ECG or EKG) is a quick test to check the heartbeat. It records the electrical signals in the heart. Test results can help diagnose heart attacks and irregular heartbeats, …