<unk>  (MAD) is a structural abnormality of the heart in the<unk>  annulus ring. It is associated with hypermobility of the<unk>  valve annulus,<unk>  valve prolapse, myxomatous degeneration of<unk>  valve and is generally defined as a separation between the junction of<unk>  valve annulus connection to atrial wall and the left ventricular attachment which allows for<unk>  valve to become hypermobile. It can be diagnosed by echocardiography and additionally by cardiac computed tomography and cardiac MRI. It is found in 42-90% of people with myxomatous degeneration of<unk>  valve and<unk>  valve prolapse and it affects women more.
Mitral annular disjunction
Quadricuspid aortic valve
Flutter valve
Bicuspid aortic valve
Atrioventricular septal defect
Accessory auricle
Mitral annular calcification
Ventricular outflow tract obstruction