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Exam (elaborations)

GNRS 5669 Exam 3 Questions with Detailed Verified Answers

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GNRS 5669 Exam 3 Questions with Detailed Verified Answers

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GNRS 5669 Exam 3 Questions with Detailed
Verified Answers



Lab evaluation in patients with delirium: Ans:— electrolytes

creatinine

glucose

calcium

CBC

urinalysis and urine culture

Vertigo: Ans:— sensation of spinning or motion

Prescyncopal lightheadedness: Ans:— sensation of impending faint

Disequilibrium: Ans:— sensation of unsteadiness

Continuous dizzy symptoms: Ans:— stroke

Episodic or brief dizziness: Ans:— BPPV, labryinthitis

Hours or days of dizziness: Ans:— menieres disease

Dix-Hallpike maneuver: Ans:— -help differentiate benign vertigo vs.
vertigo from a CNS lesion

-expect vomiting

-BPPV treatment



-CNS lesion: longer duration nystagmus, continues with each repetition of
hallpike, does not decrease in intensity

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-benign vertigo: rotation nystagmus during head rotation, resolves
quickly and cannot be reproduced after 2-3 repetitions of hallpike

BPPV: Ans:— -episodic w/ no vertigo

-N/V, worse with movement

-positive dix-hallpike maneuver

-using anti-emetics may prolong BPPV course

Labyrinthitis: Ans:— -ABRUPT onset of dizziness

-sometimes occurs with viral URI

Postural hypotension: Ans:— -20mm drop in SBP, 10mm drop in DBP
without pulse change

-wait 2 min after standing from lying position

Diseased vestibular nerve: Ans:— Menieres disease

-loss of low frequencies

-dizzy, N/V, diaphoresis, difficulty with balance, vertigo, tinnitus,
fluctuating hearing loss, feeling of pressure in the ear, diplopia

Basilar CVA: Ans:— facial numbness, hemiparesis, diplopia, dysarthria,
HA, N/V

Veterbrobasilar stroke syndromes: Ans:— nausea, vertigo, facial
numbness, hearing loss

Cerebellar infaction: Ans:— severe vomiting, vertigo, ataxia

Tx of dizziness: Ans:— -antihistamines- meclizine, benadryl,
phenergan

-take medication for a week and then taper to PRN

-antiemetics- for n/v

-sedation precautions!

S/S of bells palsy: Ans:— -50% max paralysis within in 48hrs

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