How normal is the heartbeat frequency? What factors can cause arrhythmia?

　　How normal is the heartbeat frequency? What factors can cause arrhythmia?

　　How normal is the heart rate of adults?

　　Meilun generally speaking, the younger the age, the faster the heart rate, so the heart rate of children is faster, on the contrary, the heart rate of the elderly will be slower. These are normal physiological phenomena. The normal heart rate of adults is 60-100 beats / min, and the ideal heart rate range is 55-70 beats / min. These all refer to the heart rate in a quiet state. If you are exercising, your heart rate will be 120-160 beats per minute, which is also a normal physiological response.

　　What is the reason for the slow heart rate?

　　It is not difficult for some people to find that when they are at rest, the heartbeat rate is 50 beats / min. In my case, it is necessary to consider the comprehensive factors, whether they usually have the habit of exercising, and the heart rate of ordinary athletes will be 50 beats / min or even lower. Common runners, divers, etc.

　　What is the reason for the fast heart rate?

　　There are more common physiological factors for fast heartbeat, such as physical activity, emotions, drinking, pregnancy, and even some people will have a faster heartbeat after drinking tea or coffee. These are short-lived. In addition, Meilun also has some drug effects or pathological factors, such as myocarditis, myocardial infarction, or some common coronary heart disease patients, which will show symptoms of fast heart rate. You can use ECG to understand the specific cause.