In polytrauma with blunt abdominal injury, the first investigation to evaluate his abdomen is
High-Yield Explanation
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.