A dangerous heart rate is when your heart is beating too slowly (bradycardia) or too quickly (tachycardia). An adult’s heartbeat is too slow once it's less than 60 bpm, and too fast once it's more ...

An occasional spike can happen during exercise, emotional stressor or after consuming caffeine a persistent high resting ...

Medically reviewed by Jeffrey S. Lander, MD Key Takeaways Go to the hospital if a rapid heart rate is with chest pain, ...

A normal heart rate is between 60 to 100 beats per minute (BPM), but it can vary by person. A heart rate slower than 60 BPM can be a sign of anything from a high fitness level to hypothyroidism. A ...

Whether due to stress or an intense cardio workout, most of us have felt our heart racing from time to time. A rise in your heart rate can be perfectly normal given outside circumstances. However, ...

For guidance as you run 13.1, aim to keep your bpms between 70 to 90 percent of your maximum heart rate (MHR), depending on ...

With regular exercise, the heart becomes efficient and can carry out normal functions at a much lower heart rate ...

Dear Dr. Roach: I am 77 and exercise regularly. I just got a fitness tracker to monitor my heart rate, etc. I have always been very slow to get back to a resting heart rate. For instance, if I get my ...