<prompt> FAST stands for:Focused assessment with sonography for traumaFocused abdominal sonography for traumaFast assessment with sonography for traumaFast assignment with sonography and tomography computed  <response>: Ans. a Focused assessment with sonography for traumaRef: Sabiston 19e p437 Focused ASSESSMENT is the correct term but even text books commonly use the term - Focussed Abdominal Sonogram of Trauma We assess 6 areas as discussed in theory part Old editions used to mention 4 areas are assessed. To assess presence of blood in peritoneum or pericardium. Focuses on six areas only: pericardial, splenic, hepatic, pelvic areas, Right and Left paracolic areas It will detect blood more than 100ml only It will not detect hollow viscus injury. It cannot exclude injuries in Penetrating trauma. Operator dependent. In FAST we will not assess the grade of the injury - we will assess only whether is injury. 