Fig. 3From: Ultrasound findings in critical care patients: the “liver sign” and other abnormal abdominal air patterns a Right paramedian transverse scan of the liver. Numerous small, round, hyperechoic, punctuate air artifact are seen in the periphery of the liver tissue. b Corresponding anatomical plane using the Vimedix simulator (CAE Healthcare, Ville St-Laurent, QC, Canada). (See Additional file 3: Video #S2)Back to article page