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. Author manuscript; available in PMC: 2022 Mar 1.
Published in final edited form as: Acad Emerg Med. 2020 Dec 19;28(3):336–345. doi: 10.1111/acem.14181

Figure 1.

Figure 1.

Study cohort flow. CPT = Current Procedural Terminology; CTPA = computed tomographic pulmonary angiogram; IVC = inferior vena cava; PE = pulmonary embolism; V/Q = ventilation–perfusion.