system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 50 year old male presented with history of hematemesis - 500ml of blood and on examination shows BP- 90/60, PR-110bpm and splenomegaly 5cm below lower costal margin. Most probable diagnosis is
assistant
The correct answer is  Splenomegaly and massive bleeding leading to hypotension are in our of poal hypeension. Common causes of upper Gastrointestinal Hemorrhage Non-variceal bleeding (80%) Poal Hypeensive Bleeding (20%) Peptic ulcer disease (MC) 30-40% Gastroesophageal varices >90% Malory-weiss tear 15-20% Hypeensive poal gastropathy <5% Gastritis or duodenitis 10-15% Isolated gastric varices <5% Esophagitis 5-10% Aeriovenous malformations 5% Tumors 2% Others 5% Ref: Sabiston 20th edition Pgno : 1142