what a normal heart beat per minute
1 A normal adult resting heart beat is between 60-100 heartbeats per minute. 2  Some experienced athletes may see their resting heartrate fall below 60 beats per minute. 3  Tachycardia refers to the heart beating too fast at rest-over 100 beats per minute. Your heart rate is the number of times per minute that the heart beats. 2  Heart rate rises significantly in response to adrenaline if a person is frightened or surprised. 3  Taking a person's pulse is a direct measure of heart rate.