<prompt> A 25 year Patient presents in emergency with abdominal trauma. Why is FAST done?Detection of Pericardial fluid accumulationDetection of bowel lacerationsDetection of Mesenteric TearDetection of aortic transection  <response>: Ans. a Detection of Pericardial fluid accumulationRef: Bailey 26th edition Page 359FAST focuses on six areas1.Pericardium2. Area around the liver3. Area around the spleen4. Left pericolic gutters5. Right pericolic gutters6. Peritoneal space in the pelvis 