How common is AF?

Although we treat all forms of cardiac arrhythmia, atrial fibrillation is the commonest and most confusing for patients, so here is some more information:

How common is AF?

AF is the commonest abnormal heart rhythm occurring in approximately 1 in 100 people. Its prevalence increases with age being very unusual in under the age of 30 but affecting 1 in 20 people over the age of 65.