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What is In polytrauma with blunt abdominal injury, the first investigation to evaluate his abdomen is and explain in detail?
Ans. (a)USG is the first investigation to evaluate abdomen in bunt trauma.Ref. Schwartz 10th/e p. 179 and 9th/e p. 151; Washington Manual of Surgery 5th/e p. 373 * CT scan is the best investigation.