
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, …
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 …
How fit are you? See how you measure up - Mayo Clinic
Jan 18, 2024 · 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 …
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. …
Bradycardia - Symptoms and causes - Mayo Clinic
Dec 13, 2024 · A slow heart rate isn't always a concern. For example, a resting heart rate between 40 and 60 beats a minute is common in some people, particularly healthy young …
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. …
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.
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 …
Pediatric ventricular arrhythmia in a normal heart - Mayo Clinic
Oct 20, 2022 · Pediatric patients with known heart conditions may be at risk of ventricular arrhythmia and require a different approach compared with patients with ventricular arrhythmia …