If a problem like a dangerous arrhythmia is causing a high heart rate, it can be fatal and possibly occur without warning ... If you are concerned that your child's heart rate is too fast or too slow, ...

A person’s heart rate may be lower when they are sleeping or higher during exercise. However, some people have an irregular heart rhythm that causes their heart rate to jump between high and low.

A heart rate of 100 beats per minute (bpm) or higher, also known as tachycardia, can be a normal body response to exercise, stress, or even too much coffee. However, it could also be due to an ...

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Department of Physiology and Cell Biology, The Ohio State University College of Medicine Wexner Medical Center, Columbus. (N.L., P.J.M., V.F.) Bob and Corrine Frick Center for Heart Failure and ...

You may be able to lower your risk for developing heart rhythm abnormalities by speeding ... noting that those reductions lower your risk of heart rate abnormalities.

Active heart rate measures a person’s heart activity during exercise. People can use heart rate zones to optimize workouts by ensuring that the heart rate stays within the ideal range.

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