What can cause atrial fibrillation?

Atrial fibrillation. Atrial fibrillation, or afib, is a very common rhythm disturbance, the most common in this country. It is most often associated with hypertension, but can also be associated with valvular disease specifically mitral valve disease. It can be treated with either rate control or converting back to the normal sinus rhythm. Patient are often placed on blood thinners to prevent complications.
There are many. Causes for atrial fibrillation. An easy one to evaluate for is an over active thyroid by checking a tsh. Other causes are anything that causes structural damage to the heart. High blood pressure, heart attacks, abnormal heart valves, heart defects you're born with (congenital), metabolic imbalance, exposure to stimulants, emphysema or other lung diseases, previous heart surgery, sleep apnea...