心动过缓(国外英文资料).docVIP

心动过缓 bradycardia A heart rate of more than 100 beats per minute is called tachycardia, less than 60 times called bradycardia. Tachycardia is a cause for concern, but in clinical practice, bradycardia is often overlooked, especially in young people. Many people say the heart slowly explain body good, of course, if he has a lot of energy, this is the result of regular exercise, is normal, but some people often weak, this is going to cause special attention. The pathological bradycardia can be further developed if not corrected in time, and the light affects the normal life and the weight is life-threatening. Normal adult heart rate is between 60 and 100 times per minute, if more than 100 is called tachycardia, less than 60 is called bradycardia. Long-term physical exercise, athletes, or heavy manual labor, although the heart rate is only 50-60 beats per minute, but full of energy, without any discomfort, do not belong to the morbid, this situation is more a living rational sinus bradycardia, is normal phenomenon, will not affect health. Also, the heart rate of healthy adults can be around 50 to 60 beats per minute. Bradycardia is an important type of arrhythmia. Some patients usually have a low baseline heart rate, which is 50 to 60 times per minute, or even less than 50 times, with symptoms of dizziness, fatigue, burnout, and mental illness. In some patients with normal heart rate is normal, can suddenly appeared bradycardia, dropped to below 40 times per minute, can appear giddy, transient YanHei, fatigue, palpitations, chest tightness, shortness of breath, sometimes the area before the heart a sense of shock, serious syncope can occur. There are also patients with dizziness, anemic, and syncope, which can be seen for a prolonged period of cardiac arrest. The most common cause of bradycardia is the pathological sinus bradycardia, sinus stop, sinus block, atrioventricular block. The pathological sinus bradycardia is shown to be a slow heartbeat with symptoms of disc