Diagnosis:
Primary position of gaze: Horizontal jerk nystagmus to one direction for 2 minutes, this then changes/alternates to the opposite direction every 2 minutes
May be associated with Anti-GAD antibodies
Clinical features:
Oscillopsia
Nystagmus
Findings on investigations:
MRI: hemorrhage or stroke of the nodulus of the cerebellum, Chiari-Malformation, Arachnoid cyst, Multiple sclerosis
Anti-GAD antibody
Treatment:
Baclofen orally