The online calculator will help you calculate normal heart rate for a person of any age.
Heart rate (pulse) will have different values depending on age, and even the same age it can vary.
The pulse may also be different depending on what the person is busy, in a dream figure may be the one while training the other, in the relaxed state the third.
The decrease in heart rate below 60 beats per minute, it may indicate various disorders and diseases such as: myocardial infarction or inflammation of the heart muscle, etc.
Tachycardia is a rapid heartbeat, one of the manifestations of some problems in the body, causes and treatment for palpitations depends on your lifestyle, level of activity and General physical condition.