A 60-year-old woman presents to your ED with pleuritic chest pain and hemoptysis. Her vital signs are: HR 110, BP 140/90, SpO2 94% on RA, RR 22, T 37. She has no clinical signs of DVT, she denies any recent surgery or immobilization, and denies any history of malignancy or previous venous thromboembolic disease. When you assess her, her HR has normalized to 90 bpm. What is your next step?

About the Author: Anton Helman

Dr. Anton Helman is an Emergency Physician at North York General in Toronto. He is an Assistant Professor at the University of Toronto, Division of Emergency Medicine and the Education Innovation Lead at the Schwartz-Reisman Emergency Medicine Instititute. He is the founder, editor-in-chief and host of Emergency Medicine Cases.