What are the causes of atrial fibrillation

Patient's question:

A few weeks ago, my mom wasn't feeling well and had to be hospitalized. The main issue was with her heart, which was in very poor condition, leading to myocardial ischemia. When I asked her for more details, she only told me that everything was fine and didn't tell me anything else. Later, I saw her detailed test results and noticed one was for atrial fibrillation, but I couldn't understand it very well. I'd like to understand the characteristics of atrial fibrillation. What are the percussion characteristics of atrial fibrillation?

Doctor's answer:

The causes of your symptom atrial fibrillation are many. The percussion of atrial fibrillation shows absolutely irregular heart rate, and the intensity of heart sounds is unequal. The heart rate and pulse are inconsistent. Atrial fibrillation can be either paroxysmal or caused by organic diseases. If it is an organic disease, the treatment should focus on the primary disease. If atrial fibrillation occurs in middle-aged and young people without heart disease, we call it lone atrial fibrillation. For lone atrial fibrillation, if there are no clinical symptoms, drug treatment can be temporarily avoided.

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