A 60-year-old male presents to the ED with an abrupt onset of difficulty walking and diplopia that lasted 20 minutes while he was walking to work. His symptoms have completely resolved. He has no cardiovascular risk factors and denies headache or neck pain, vertigo or trauma of any kind. His neurologic exam is unremarkable. Which of the following is TRUE?

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.