The etiology of atrial fibrillation is not particularly clear, and the main reason may still be related to age, with a high incidence rate in the elderly. In a sense, atrial fibrillation is a sign of human aging, because about 10%~20% of people over 80 years old suffer from atrial fibrillation.

2. Related to cardiovascular diseases.

In addition, patients with cardiovascular diseases, such as hypertension, cardiomyopathy and valvular disease, are prone to atrial fibrillation. It can also be considered that these diseases are one of the causes of atrial fibrillation.

3, related to diseases other than the heart.

Atrial fibrillation is also related to some diseases other than the heart, such as the most common hyperthyroidism, and many patients with hyperthyroidism are prone to atrial fibrillation.

4, related to lifestyle

Atrial fibrillation is also related to lifestyle. People who love drinking, especially those who drink heavily, are prone to atrial fibrillation. People drink too much when they have a holiday, so the number of patients with atrial fibrillation increases after the holiday, so atrial fibrillation is also a kind of "holiday heart disease" abroad. In addition, we found that obese patients are also prone to atrial fibrillation.

5. Others

But in addition to these reasons, there are quite a few patients who do not have organic heart disease and hyperthyroidism. , no bad habits, not the elderly. This kind of atrial fibrillation is called solitary atrial fibrillation or idiopathic atrial fibrillation, and there is no medical reason at present. Finally, a very small part may be related to heredity, but the proportion is very small.