- Published on
Symptoms and Signs – Differential Diagnosis of Nystagmus
Physiological: at the extreme lateral gaze
Pendular {to-and-fro movements have equal velocity): congenital
Jerky (slow-phase and fast phase are present):
Acute labyrinthitis, other inner ear (labyrinth/vestibular nerve) diseases, e.g.
Meniere's disease, benign positional vertigo (otoconial debris in semicircular
canals), vestibular neuronitis, acoustic neuroma
Brainstem/vestibular nuclei: vascular (CVA), inflammation (multiple sclerosis,
tumour), toxic (alcoholism)
Cerebellar disease (See Cerebellar signs)
Drugs (e.g. phenytoin)
Nystagmus is also seen in internuclear ophthalmoplegia (l adduction on the side
of lesion, nystagmus of the contralateral abducting eye)
0 Comments
