Atrial fibrillation

Atrial fibrillation (Af), referred to as atrial fibrillation, is one of the most common arrhythmias. It is caused by atrial disturbances caused by many small reentry loops caused by the atrial-dominated reentry loops. The overall incidence of atrial fibrillation is 0.4%. As the age increases, the incidence of atrial fibrillation continues to increase, reaching 10% in people over 75 years of age. During atrial fibrillation, the frequency of atrial agitation is 300 to 600 beats per minute. The heartbeat frequency is often fast and irregular. Sometimes it can reach 100 to 160 beats per minute. Not only is the heartbeat much faster than normal people, but it is absolutely irregular and the atrium is lost. Effective contractile function. A large-scale survey in China shows that the prevalence of AF is 0.77%, that of men (0.9%) is higher than that of women (0.7%), and that of 80 years of age or older is 7.5%. In addition, the increase in the prevalence of atrial fibrillation will be closely related to the growth of diseases such as coronary heart disease, hypertension and heart failure. In the next 50 years, AF will become one of the most prevalent cardiovascular diseases.