Is premature atrial fibrillation serious?

Premature contraction, atrial fibrillation refers to premature contraction, atrial fibrillation, the former is generally not serious, the latter is relatively serious.

Premature contraction refers to the occurrence of an extra premature beat in the normal beating sequence of the heart, the patient may cause insufficient blood supply to other parts due to reduced heart pumping, but usually does not endanger the patient's life,

so it is not serious.