What is a dangerous heart rate? A look at normal ranges for adults.
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 than 100 bpm, according to the American Heart Association. Some factors that impact your heart rate include stress, hormones, medication, … Read more