<prompt> Most common cause of Acute pancreatitis isTraumaBiliary calculusAlcoholismHypertriglyceridemia  <response>: B. i.e. Biliary calculus 2006-HI7th Gall stone is the most common cause 30 - 60 Alcohol is the second most common cause 15 - 30 Pancreatic pseudocysts occurs most commonly after - Pancreatitis Gall stone pancreatitis has the best prognosisCommon causes of Acute Pancreatitis Gall stones Including microlithiasis commonest cause Alcohol Acute and chronic alcoholism Hypertriglyceridemia ERCP after biliary manometry Trauma especially blunt abdominal trauma Post operative Abdominal and non abdominal operations Drugs Azathioprine, 6 mercaptopurine, sulphonamide estrogens, Tetracyclines, valproic acid anti- HIV medications Sphincter of oddi- dysfunction 