<prompt> A 42 year old company executive presents with sudden upper GI bleed 5 litres of bright red blood, with no significant previous history. The diagnosis is?Oesophageal varicesDuodenal ulcerGastritisGastric erosion  <response>: Ans. is b i.e., Duodenal ulcer Both esophageal varices and duodenal ulcer are causes of massive upper GI bleed. Although it is difficult to reach a diagnosis by clinical history and physical examination alone, variceal bleed is less likely as there are no stigmata of chronic liver disease or poal hypeension. 