How to measure extreme heart rate

The formula for calculating the limit heart rate is 220 minus the current actual age. The limit heart rate is related to age, which can be used to assess the patient’s cardiac function and activity tolerance, and the exercise intensity can be reasonably arranged with reference to the limit heart rate.
The limit heart rate is calculated by subtracting the actual age from 220, which can be used to assess the patient’s heart function and exercise tolerance, and the exercise intensity needs to be reasonably arranged for people with different physical conditions. For the elderly and people with other underlying diseases, LHR cannot be used as a basis for exercise to avoid other complications.
In normal daily life need to pay attention to appropriate and reasonable exercise, more than the limit of the heart rate of the exercise need to be avoided, try to refer to the limit of the heart rate of reasonable arrangements for exercise, to avoid high-intensity exercise on the body to cause damage.