<prompt> A hemodynamically stable patient with blunt abdominal trauma, the best investigation is ?CECT abdomenMRI abdomenDPLFAST  <response>: CT Scan of Abdomen: It is most commonly used and better investigation for abdominal trauma. It is useful in bluntpenetrating trauma, suspected pancreas, spleen, liver, duodenal, retroperitoneal injuries. Smaller injuries, early haemoperitoneum are better detected. It is noninvasive, highly specifi c, highly accurate 96, with low false-positivelow false-negative, noninvasive. Diagnostic Peritoneal Lavage DPL by Perry It is useful in blunt injury abdomen. It is not very useful in penetrating injury, bowel injury, retroperitoneal and pelvic injuries. Focused abdominal sonar trauma FAST: It is rapid, noninvasive, poable bedside method of investigation focusing on pericardium, splenic, hepatic and pelvic areas. It is not reliable for bowel or penetrating injuries. It often needs to be repeated. SRBs Manual of Surgery, 4th Edition, pg. no. 150 