There is growing concern that chest computed tomography (CT) and computed tomographic pulmonary angiography (CTPA) for pulmonary embolus (PE) are overused tests, especially in the emergency department (ED).1,2 Vankatesh et al3 looked at adherence to the “National Quality Measure” guidelines for PE—a welcome addition to the PE literature. They prospectively identified 1205 of 5940 patients (32%) who potentially did not require CTPA.