Fig. 2From: RETRACTED ARTICLE: Routine point-of-care ultrasound (POCUS) assessment of gastric antral content in traumatic emergency surgical patients for prevention of aspiration pneumonitis: an observational clinical trialSagittal sonogram of the empty antrum with a flat appearance. A = antrum; L = liver; P = pancreas; SMA = superior mesenteric artery; Ao = aortaBack to article page