S1 and S2 are the normal heart sounds you hear when the heart valves close. Heart murmurs are extra sounds that can be heard during systole, diastole, or as a continuous sound. S3 and S4 are abnormal ...

Here is what your resting heart rate reveals about cardiovascular health and when to see your doctor. Pulse checks and ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. February 18, 2025 Add ...

Your AirPods may soon become your most important pieces of fitness gear. One of the AirPods Pro 3's new features is heart rate tracking for both workouts and periodic pulse checks. Apple's latest ...

Thanks to the proliferation of smartwatches and fitness trackers, it’s never been easier to log your heart rate while running: Simply don the device (watch, monitor, or other wearable), start your ...