Fig. 2From: PERC rule to exclude the diagnosis of pulmonary embolism in emergency low-risk patients: study protocol for the PROPER randomized controlled studyWork-up for diagnosis of pulmonary embolism (PE). a Control group. b Intervention group. CTPA, Computed Tomography Pulmonary Angiogram; PE, pulmonary embolism; PERC, Pulmonary Embolism Rule-out CriteriaBack to article page