Acute aortic dissection.
D000208:Acute Disease; D000368:Aged; D000784:Aortic Dissection / Q000209:etiology*; D001013:Aorta, Thoracic / Q000473:pathology; D001014:Aortic Aneurysm / Q000209:etiology*; D006801:Humans; D014947:Wounds and Injuries / Q000150:complications