Radiological sign of left ventricular enlargement based on the distance between the inferior vena cava (IVC) and left ventricle (LV).
Leo George Rigler (1896-1979) was an American radiologist. Eponymously affiliated with Rigler sign; Rigler triad; Rigler notch sign; Hoffman-Rigler sign
Rigler triad; Imaging findings in patients with gallstone ileus with an ectopic gallstone causing small bowel obstruction, and pneumobilia
Indentation in the border of a solid lung mass (thought to represent a feeding vessel) - suggestive of a bronchial carcinoma.
Radiographic sign of pneumoperitoneum. Air in the peritoneum and air within the intraluminal spaces outline the luminal and serosal surfaces of the bowel wall.