Ace of Spades Appearance

A term referring to the smoothly contoured column of contrast that voluptuously ends in a sharp cut-off at a point, fancifully likened to an ace of spades of playing card
Imaging cardiology The appearance of the obliterated left ventricle during systole in apical cardiomyopathy, which may be accompanied by mitral valve regurgitation
Imaging gastroenterology
(1) Duodenum The normal appearance of the duodenal bulb in a radiocontrast study of the upper GI tract
(2) Oesophagus Bird’s beak appearance
(3) The appearance of the radiocontrast column in a sigmoid volvulus