Dizziness

Question 1

vestibular neuronitis

Answer 1

acute unilateral peripheral vestibulopathy
Sx: vertigo, nausea, vomiting, unilateral nystagmus
etiology: possible brainstem or stroke from AICA, brainstem, cerebellar

Question 2

labyrinthine concussion

Answer 2

head injury sometimes with hearing loss and tinnitus

Question 3

meniere disease

Answer 3

vertigo, nausea, vomiting with progressive hearing loss, tinnitus, sensation of fullness or pressure in ear

Question 4

perilymph fistula

Answer 4

disruption of lining of endolymph system, pop leading to increase in middle ear pressure leads to vertigo

Question 5

BPPV

Answer 5

vertigo from changes in position
- lasts seconds to minutes, usually when lying in bed
Dx: dix-hallpike test leading to vertical and torsional nystagmus