In half of cases when patients undergoing heart surgery have concomitant atrial fibrillation, surgeons pass up the chance to surgically address the AFib, despite strong evidence that they should do so. In this three-minute captioned video, Cleveland Clinic cardiothoracic surgeon A. Marc Gillinov, MD, explains why this is a mistake and offers clear takes on two other common questions surrounding use of the maze procedure in 2018.