Upon an arrival to the emergency department for abdominal pain of unknown cause, most non-pregnant adult patients receive a CT scan with IV contrast to diagnose the source of the pain. However, IV contrast can be a risk in patients with severe kidney disease or at risk for an allergic reaction from the dye. When scans are performed without IV contrast, though, they are usually less accurate, which can lead to misdiagnosis. And recent research from the University of Michigan now confirms this: a study found choosing to withhold IV contrast from certain types of abdominal CT scans can decrease...