Vertigo, Dizziness, Headaches Flashcards Preview

Neurology > Vertigo, Dizziness, Headaches > Flashcards

Flashcards in Vertigo, Dizziness, Headaches Deck (17):
1

causes of "dizziness"

-vertigo ("room spinning", neurologic)
-pre-syncope/ lightheadedness (cardiac)

-stroke, cerebellar problems

2

types of vertigo

-central
-peripheral = more common; Cr VIII or inner ear

3

central vertigo causes

-stroke (infarct of cerebellum, Cr VIII nucleus)
-MS (young pt)
-phenytoin toxicity (nystagmus + ataxia + vertigo)
-cerebellar or brain-stem tumor

4

peripheral vertigo px

-hearing loss
-tinnitus
-nystagmus (stops when you fixate on something)

5

central vertigo px

-focal neurological findings
(diplopia, dysarthria, weakness/ numbness)
-nystagmus (does NOT stop with fixation on object)

6

phenytoin toxicity px

-mild: horizontal nystagmus
-severe: vertical toxicity

-ataxia
-vertigo
-no therapy

7

benign positional vertigo px
(BPV)

-ONLY VERTIGO*
-occurs when you go from a lying to sitting position

-no tinnitus, hearing loss

8

Meniere's disease

-hearing loss + tinnitus + vertigo

-short duration, but RECURRENT* episodes

9

acoustic neuroma px, dx, tx

-Schwannoma/tumor of Cr VIII
-ataxia*
-hearing loss

-CT, MRI
-surgery

10

labyrinthitis

-hearing loss + tinnitus + vertigo

-SINGLE* episode after recent viral illness

11

perilymphatic fistula

-trauma* to ear history
-hearing loss

12

types of peripheral vertigo

-Meniere's disease
-labyrinthitis
-benign paroxysmal positional vertigo
-perilymphatic fistula

13

peripheral vertigo tx

-meclizine (=antihistamine) = best initial
-odansetron

14

benign positional vertigo tx

-head maneuvers to dislodge ear stones (otoliths) in semicircular canals

15

labyrinthitis tx

-meclizine
-viral infection of inner ear which is self-resolving

16

Meniere's disease tx

-salt restriction
-diuretics
-surgery if medical therapy fails

-to remove the over production of endolymphatic fluid in your ear
(like "ear glaucoma")

17

vertigo is always associated with what symptom?

nystagmus