Which of the following is a dynamic cause of intestinal obstruction: March 2011: (A) Gall stone, (B) Paralytic ileus, (C) Mesenteric vascular obstruction, (D) Ogilvie syndrome
Answer is A. Ans. A: Gall stoneGall stone causes dynamic ileus (intraluminal cause)Adynamic cause of intestinal obstruction includes 1) paralytic ileus, 2) mesenteric vascular occlusion and 3) pseudo-obstructOgilvie's syndrome is acute colonic pseudo-obstruction