3rd January 2024

A 64-year-old male presents to the emergency department with a 3-day history of double vision

A 64-year-old male presents to the emergency department with a 3-day history of double vision. Examination findings reveal a right-sided head tilt and a left hypertropia, which worsens on right-sided gaze. The deviation also worsens on left head tilt. Which muscle is most likely to be paralysed?

Select the SINGLE most appropriate option from the list below. Select ONE option only.