A 70 year old male presents to the emergency department with new onset chest pain. On history, he describes experiencing a sharp chest pain radiating to his left arm, that was mild at first but reached its maximal intensity after 3 hours. What part of this history made you more concerned for an aortic dissection?

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.