Over-Testing for Suspected Pulmonary Embolism in American Emergency Departments

Background: No recent data have investigated rates of diagnostic testing for pulmonary embolism (PE) in US emergency departments (EDs), and no data have examined computed tomographic pulmonary angiography (CTPA) rates in subgroups at high risk for adverse imaging outcomes, including young women and children. We hypothesized that over-testing for PE remains a problem. Methods and Results: We used electronic health record and billing data for 16...