After cabg why is atrial fibrillation common even in people without a history? does it resolve by discharge and if not do these patients get discharged on certain medications?

A-fib: The causes of A-fib are not clearly known. CABG can harm the vascularture and the structure of the heart. These could lead to A-fib. The procedure itself can have long term consequences due to general anesthesia, and circulatory support, etc. in addition, the degree and the length of myocardial ischemia are not know due to poor current state of the art in diagnostic tools...

CABG- Afib: Having had a CABG suggests some level of heart disease. Depending on the cause and extent of disease a fib is not an unexpected complication. Depending on several factors the patient may have the arrhythmia converted to a normal rhythm again with electricity or medication (both good choices). Others are rate controlled with meds. Some require blood thinners to decrease risk of stroke.

Inflammation: The cause of post CABG A Fib is not exactly known but it is strongly suspected that inflammation on an immune basis is a major player since post op AFib is also commonly noted following chest procedures that has nothing to do with the heart. An antiarhytmic medicine is often prescribed as long as it is wlell tolerated by the patient. If the AF persists after discharge ,then cardioversion is consid