Findings consistent with small bowel ischemia (long segment of proximal jejunum) with the likely etiology being extensive superior mesenteric and portal vein thrombosis.

Serial lactate was increasing up to a maximum of 5.7 mmol/L prior to bowel resection.

Histopathology:

Hemorrhagic small bowel infarction with venous thrombosis, consistent with known venous obstruction.