Lab reveals some increase in white count without left shift. UA positive for RBCs. Intravenous or retrograde pyelograms will establish the diagnosis. Diffuse or periumbilical, crampy pain which increases in severity. Exam shows decreased or absent bowel sounds, distension, fever, hypotension, guarding and rebound may be present.
Lab shows leukocytosis with left shift, high anion gap acidosis, and increased amylase.
X-ray shows ileus. More common etiologies include intussusception, volvulus, or adhesions from prior surgery. Crampy pain in waves then continuous, nausea, vomiting, constipation. Exam shows high pitched bowel sounds with rushes then decreased bowel sounds, Diffuse tenderness worse over obstruction, guarding and rebound late. Lab leukocytosis with left shift late.