Figure 3. (A) Gas presence in the portal vein (yellow arrow) and intestinal wall (red arrow) detected by abdominal CT scan and sign of scattered “comet-tail” artefacts on abdominal ultrasound (blue arrow). (B) Mucosal bleeding of gastric body (a) and pyloric antrum (b), mucosal ischemia of superior part of duodenum (c), and cardia (d). (C) Gas bubbles in the portal vein and intestinal wall disappeared after 3 days of resuscitation treatment (yellow and red dashed arrow).