<prompt> A patient came with lower chest trauma with pain in abdomen. His BP is 6040 pulse 120 next best investigationCT abdomenUSG FASTMR AngiographyX-ray abdomen  <response>: Answer- B. USG FASTUSG is the investigation of choice in both stable as well as unstable patients.Blunt abdominal trauma initially is evaluated by FAST examination in most major trauma centers 