USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 27-year-old man comes to the clinic because of daily unilateral headaches for the past week. Episodes last 1 hour, are abrupt in onset and cessation, localized to the orbital and temporal regions, and are accompanied by lacrimation, rhinorrhea, and facial sweating. His wife says these headaches occur at night and that during the attacks her husband is restless. Which of the following is the most likely diagnosis?