What does heart rate mean?

Heart rate refers to the number of beats of the heart per minute, usually measured in "beats/minute".

Heart rate is one of the important indicators of human life activities and is easily affected by factors such as age, gender, physiological status, etc. Under normal circumstances, adults The heart rate is between 60 and 100 beats/min, but some people's heart rate may be lower than 60 beats/min, or even as low as 40 beats/min. It is often called bradycardia, which may be related to long-term exercise, or may be related to sinus node dysfunction, atrioventricular block and other pathological factors; If the heart rate exceeds 100 beats/min, or even as high as 120 beats/min or higher, it is usually called tachycardia, which may be related to strenuous exercise, emotional agitation, arrhythmia, cardiomyopathy, hyperthyroidism and other factors.

Changes in heart rate can affect many aspects of the body, such as blood circulation, organ blood supply, etc. In addition, heart rate can also be used as an important reference indicator for training intensity, exercise effect, etc., for guiding physical exercise.