Neurology Linked-item Set (Vignette)

A 45-year-old man, shown in the video, comes to the emergency department with acute onset of double vision.

Sample Questions

Answers are in bold below.

1. A 45-year-old man, shown in the video, comes to the emergency department with acute onset of double vision. Which of the following is the localization of this patient’s deficit on examination?

Left pons
Right pons
Left medulla
Right medulla
Left facial nerve at stylomastoid foramen

2. Which of the following diagnoses is most likely in this patient?

Bell palsy
Lyme disease
Brainstem stroke
Wernicke encephalopathy
Middle cerebral artery infarction