This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Borchardt&;s triad of acute epigastric pain, violent retching and inability to pass a nsogastric tube is seen in patients with 
Select and explain. 
A. Achalasia cardia, B. Acute gastric volvulus, C. Jejunogastric intussusception, D. Hitus hernia
B: Acute gastric volvulus
Answer: B: Acute gastric volvulus 
Explanation: A volvulus is a twisting or axial rotation of a poion of bowel about its mesentery. When complete it forms a closed loop of obstruction with resultant ischaemia secondary to vascular occlusion. Ref: Bailey & Love&;s Sho Practice of Surgery,E25,Page-1193