You are seeing a 65 year old male in the emergency department who presented with acute subdural hemorrhage after a head injury from falling down the stairs. He has a history of atrial fibrillation and is taking apixaban for stroke prevention. He does not remember when he took the medication last. Which reversal agent should you consider?

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.