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.

Tachycardia is a rapid heart rate that beats faster than 100 beats per minute for any reason. It can occur as a result of ...

During rest or a state of relaxation, a normal heart rate in adults is considered between 60-100 beats per minute. Typically, the resting heart rate in adults is less than 90 bpm.

These QRS complexes are exactly three large boxes apart; therefore, the ventricular heart rate is 100 bpm. Now, multiply the number of QRS complexes on this strip by six. This would be 17 x 6 = 102.

When the heart rate is less than 60 bpm, and the rhythm originates in the ventricle, it is simply called an “idioventricular rhythm.” When the heart rate is between 60 and 100 bpm, it is ...