The utilization of CTA in management of gastrointestinal bleeding in a tertiary care center ED. Are we using it enough?

Gastrointestinal (GI) bleeding is a common patient presentation to the Emergency Department (ED) and the source can be difficult to diagnose. Computed tomography angiography (CTA) is a new but validated modality with high sensitivity and specificity for diagnosis and treatment of GI bleeds, especially in differentiating arterial from venous bleeding. With high reported validity of CTA, some studies have suggested its ability to better triage...