Positional nystagmus and vertigo due to a solitary brachium conjunctivum plaque
Files in this Data Supplement:
- view PDF - Supplemental figure.
- view video - 2MB Video 1: When the patient (case 1 in the manuscript) was in an upright position, eye movements were unremarkable except for a slight, horizontal gaze evoked nystagmus upon looking to the left or to the right. By bringing her into a left ear down position (whole body movement), she would develop intense vertigo together with persistent downbeat nystagmus.
- view video - 1.5MB Video 2: Same patient as in video 1. In the right ear down position the downbeat nystagmus is also sustained but less intense and has an apogeotropic component (that is, towards the uppermost, left ear).
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