dizziness Flashcards

1
Q

when should acute otitis media be treated w antibiotics

A

children over two can be observed, children

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2
Q

maxillary sinusitis is usually preceded by

A

upper resp tract infection

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3
Q

3 categories to differentiate btwn when pt presents with dizziness

A

presyncope, disequilibrium, syncope

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4
Q

pts w peripheral neuropathy can have dizziness why

A

lose position sense (as if lost balance)

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5
Q

orthostatic hypotension defined as

A

drop in systolic >20 or diastolic >10

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6
Q

vestibular neuritis

A

commonly assoc w viral URI. Nystagmus would not change direction w/ gaze

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7
Q

BPPPV

A

episodic and resolves w position change

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8
Q

vestibular migraine

A

variant of migraine that can cause central vertigo. look for hx of migraines

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9
Q

how to differentiate btwn central and peripheral vertigo

A

nystagmus: in peripheral, unidirectional and rotational and doesn’t change direction w/ gaze, inhibited by fixing on a point, Frenzel glasses prevent fixation and bring out nystagmus. in central, it’s purely horizontal/vertical/rotational, doesn’t lessen when pt focuses on fixed point, persists for longer time.

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10
Q

Meniere’s dis triad

A

unilateral hearing loss, tinnitus, vertigo

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11
Q

Otitis media can cause vertigo: true or false

A

true

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12
Q

peripheral vertigo-long duration dizziness (20 min, longer)-causes?

A

labyrinthitis, vestibular neuritis

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13
Q

most common cause of vertigo in primary practice

A

BPPV

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14
Q

vestibular neuritis

A

usu when viral infection of inner ear causes inflam of vestibular branch of CN8

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15
Q

acute labyrinthitis

A

infection affects both branches of CN8 resulting in tinnitus and/or hearing loss and vertigo

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16
Q

head thrust test

A

if facing pt and ask him to fix gaze on your nose and turn pt’s head to one side, eyes will move w head and saccade back to center (in peripheral vertigo)

17
Q

when is imaging for pts w/ vertigo needed?

A

if central vertigo

18
Q

acute vestibular neuritis will go away in how long

A

days to a wekk

19
Q

management of peripheral vertigo

A

Meniere’s dis: diuretics and low salt. BPPV: positioning. Vestibular rehabilitation and vestibular suppressant medications