Are you in your emergency medicine clerkship? Is a patient presenting with abdominal distention, abdominal tenderness on palpation, and electrolyte abnormalities? If so, tune into today's #DiagnosticsOnDemand to learn about identifying mechanical obstructions on CT scans. A mechanical obstruction is caused by actual blockages in the large or small intestine, and it can be defined as partial or complete. They include small bowel dilatation with air-fluid levels and absence of any gas in the