Dizziness

Question 1

Vertigo caused by dysfunction of what

Answer 1

labyrinthine apparatus (peripheral)

Vestibular nerve

Brainstem (central)

Question 2

Vestibular system disorder, vertigo a disease of

Answer 2

inner ear, acoustic nerve, brainstem/cerebral cortex

Question 3

Jerk nystagmus-peripheral symptoms

Answer 3

2-20s latency, associated vertigo, adapts to position, fatigues on repeat testing

Question 4

Jerk nystagmus-central

Answer 4

no latency, variable vertigo, no adaptation, little fatigue

Question 5

Diagnostic tests for vertigo

Answer 5

blood tests, ekg, eeg, baer, tilt table, dix-hallpike

Question 6

What is menier syndrome

Answer 6

A peripheral vestibular disorder with vertigo, tinnitus and hearing loss

Question 7

Benign Positional vertigo

Answer 7

positional vertigo associated with nystagmus on head movement. free floating particles in posterior labyrinth.

Question 8

Signs/symptoms of central vestibular disorders

Answer 8

vertigo at rest or worse with positional change. no latency. brainstem dysfunction

Question 9

signs/symptoms in peripheral vestibular disorders

Answer 9

vertigo w/ head position change. latency, short duration, habituation. jerk nystagmus. otologic symptoms including hearing loss, tinnitus, otalgia

Question 10

Treatments

Answer 10

antihistamines, benzodiazepines, phenothiazines, scopolamine