A new etiological concept of the aortic regurgitation in the aged. Prolapsed cusp due to degeneration.
D000368:Aged; D000375:Aging; D001018:Aortic Diseases / Q000150:complications; D001021:Aortic Valve / Q000473:pathology*; D001022:Aortic Valve Insufficiency / Q000209:etiology* / Q000473:pathology; D002114:Calcinosis / Q000150:complications; D004562:Electrocardiography; D005260:Female; D006321:Heart; D006801:Humans; D008297:Male; D009929:Organ Size; D013902:Radiography, Thoracic