
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 · To get the most out of exercising, aim for moderate to vigorous exercise intensity. See how to judge your exercise intensity.
Bradycardia - Symptoms and causes - Mayo Clinic
Dec 13, 2024 · 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 …
Tachycardia - Symptoms and causes - Mayo Clinic
Dec 15, 2023 · Learn more about the symptoms and treatment of this heart rhythm disorder, which causes a rapid heart rate.
Blood pressure chart: What your reading means - Mayo Clinic
Feb 28, 2024 · Checking your blood pressure helps you avoid health problems. Learn more about what your numbers mean.
Sick sinus syndrome - Symptoms & causes - Mayo Clinic
Apr 30, 2022 · Overview Sick sinus syndrome is a type of heart rhythm disorder. It affects the heart's natural pacemaker (sinus node), which controls the heartbeat. Sick sinus syndrome …
Pulse pressure: An indicator of heart health? - Mayo Clinic
Aug 18, 2023 · Pulse pressure may be a strong predictor of heart problems, especially for older adults.
Vasovagal syncope - Symptoms and causes - Mayo Clinic
Feb 15, 2025 · Vasovagal syncope is usually harmless and requires no treatment. But it's possible that you may injure yourself during a vasovagal syncope episode. Your healthcare …
Heart arrhythmia - Symptoms and causes - Mayo Clinic
Oct 13, 2023 · A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. A heart arrhythmia occurs when the electrical signals that tell the heart to beat don't work properly. The heart may …
Atrial flutter - Symptoms and causes - Mayo Clinic
Aug 29, 2024 · Atrial flutter is a type of heart rhythm disorder, called an arrhythmia. It is similar to atrial fibrillation (AFib). But in atrial flutter the heart rhythm is more organized and less chaotic …