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Clin Med II Quiz 2
Vertigo, Syncope, Language and Speech, Sleep Disorders
44
Medical
Graduate
05/19/2010

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Cards

Term

Vertigo and Dizziness


Definition
Term
____________ is a disturbed relationship to space associated with syncope, pre-syncope, dysequilibrium, unsteadiness, or lightheadedness.
Definition
Dizziness is a disturbed relationship to space associated with syncope, pre-syncope, dysequilibrium, unsteadiness, or lightheadedness.
Term
___________ is the sensation of movement (rotation, spinning, rotary, rocking)
Definition
Vertigo is the sensation of movement (rotation, spinning, rotary, rocking)
Term

True vertigo is secondary to ________________ .

 

Peripheral causes (2)

 

Central cause (1)

Definition

True vertigo is secondary to vestibular dysfunction.

 

Peripheral causes:  inner ear or CN VIII

 

Central cause:  brainstem

Term
what 3 Sx tell you that vertigo is due to an inner ear issue?
Definition

vertigo

hearing loss

tinnitus

 

Term

#1  benign paroxysmal positioning vertigo

 

#2  Labyrinthitis & vestibular neuronitis (what would you look for on the HPI/PMH?)

 

top 2 causes of what?

 

 

Definition

peripheral vestibular disease

Labyrinthitis & vestibular neuronitis...common with URI

Term

what drugs are ototoxic and can cause dizziness?

 

ABX: (2)

used in HTN:

OTC drugs:

 

Definition

ABX:

aminoglycosides** (hearing loss, tinnitus, vertigo)

minocycline (tetracyclines--used for tick diseases, dermatology, anthrax)

 

used in HTN:

diuretics (furosamide)

 

OTC drugs:

NSAIDs (aspirin at high doses)

Term
dizziness, dipoplia, and dysarthria are the "3 D's" associated with the ______________ system, which is involved in dizziness caused by migraines and TIAs/strokes.
Definition

dizziness, dipoplia, and dysarthria are the "3 D's" associated with the vertebrobasilar (V-B) system, which is involved in dizziness caused by migraines and TIAs/strokes.

 

 

Term
vomiting, HA, confusion, inability to concentrate, and dizziness are _______________ symtoms associated with recent head trauma.
Definition
vomiting, HA, confusion, inability to concentrate, and dizziness are post-concussive symtoms associated with head trauma.
Term
____________ is a visual disturbance in which objects in the visual field are oscillating.
Definition
Oscillopsia is a visual disturbance in which objects in the visual field are oscillating.
Term
what symtom associated with dizziness would make you think of brainstem disease as the underlying cause of the dizziness?
Definition
facial numbness (trigeminal nerve)
Term

What are you looking for by doing and EOM exam in a pt w/ dizziness?  What system is associated with eye movements?

 

 

Definition

Nystagmus

 

vestibular system associated w/ eye movements

Term
rotary or horizonal nystagmus that is suppresssed by fixation with associated tinnitus or deafness is indicative of what type of vestibular nystagmus?
Definition
peripheral
Term
vertical or torsional nystagmus not suppressed with fixation suggests what type of nystagmus?
Definition
central
Term
What is a manuever done in family practice when looking for nystagmus that should not be done with c-spine disease or recent MVA?
Definition

Barany Maneuver

[image]

 

 

Term
Electronystoagmo-graph (ENG), Vestibular autorotation testing (VAT), and Brainstem Auditory Envoked Potentials (BSER/BAER, VEMP) are diagnostic studies would you order for a pt with what?
Definition
vertigo
Term
Meclizine, transdermal scopolamine, benzos, and promethazine (antiemetic) are drugs that can be used to treat what?
Definition

Dizziness

 

 

Term
dizziness, diplopia, drop attachs, dysarthria, ataxic gait, and extremity weakness are the hallmark signs of what?
Definition

vestibrobasillary Insufficiency

(posterior circulation TIA, CVA)

Term

otoliths in the semicircular canal, fistula from inner to middle ear, or vascular compression of CN VIII are causes of what?

 

 

What population is this common in?

 

What is the onset, duration, precipitating, and relieving factors?

 

 

Definition

Benign Paroxysmal Positional Vertigo (BPPV)  -- Positional Vertigo

most common cause of vertigo

 

common in head trauma and geriatric populations

 

sudden onset of vertigo/dizziness lasting 30-60sec, precipitated by position change and relieved by stopping motion and visual fixation.

 

Term
canalith repositioning procedure is used to tx what?
Definition
Benign Paroxysmal Positional Vertigo (BPPV) 
Term

intermittent, unilateral low fx hearing loss, fluctuating roaring tinnitus, aural fullness, and severe vertigo lasting 20min to several hours.

 

Dx?

 

Causes?

 

Tx?

Definition

Meniere' Disease

 

Causes:

autoimmune

too much inner ear fluid

syphillis

head trauma

 

Tx

Diuretics

Meclisine

Benzos

Corticosteroids

low Na+ diet

Term

pt compains of being too dizzy to get out of bed, hearing loss, and tinnitus.  PMH of recent URI.  Nystagmus toward unaffected ear.  (+) Romberg toward affected ear

 

Dx?

 

 

Prognosis & Management?

Definition

Acute Labyrinthitis

 

Prognosis:

will get worse if new onset, the will get better, will resolve in 4-6wks, minor positional residual veritgo for years afterwards

 

Tx:

Meclizine

benzos

scopolamine

balance exercises and fixation

Term

unilateral hearing loss, tinnitus, and vertigo that progresses to ataxia, facial numbness, and extremity weakness

 

Cause?

Definition
Acoustic Neuroma
Term
loss of corneal reflex is an early finding associated with what disease?
Definition
Acoustic Neuroma
Term

Syncope


Definition
Term
what is a common reflex-mediated cause of syncope?
Definition
Vasovagal  / Neurocardiogenic syncope
Term
what is a common cause of syncope in the elderly related a cardiac structure abnormality that is made worse with exertion?
Definition
Aortic Stenosis (LV outflow obstruction)
Term
What genetic heart abnormaly is associated with sudden death in young people and athletes?  Not HCOM
Definition
Brugada Syndrome
Term
what must you test during the PE for a pt with syncope?
Definition
orthostatic hypotension
Term
venous pooling, low preload, and sympathetic response are the underlying mechanisms of what type of syncope?
Definition
neurocardiogenic (vasovagal, vasodepressor)
Term
what do you suspect as the cause of sycope if a pt has a systolic mumur at the apex and lower LSB that increases with the valsalva maneuver?
Definition
Hypertrophic Cardiomyopathy
Term

Speech and Language


Definition
Term

what is an important and often common disease to look for in children that can lead to speech and language development impairment?

 

Definition
chronic otitis media with effusion (impairs hearing)
Term
what are the causes of acquired speech/language problems in adulthood? (3)
Definition

head trauma (motorcycle, car, gunshot wound, war)

 

stroke

 

**language centers on the L hemisphere**

**frontal lobe lesion = appropriateness, meaning of words**

 

cancer of the esophaus or larynx

Term

Sleep Disorders


Definition
Term
_________is cx by recurrent episodes of upper airway obstruction associated with reduction in ventilation
Definition
Obstructive Sleep Apnea (OSA) is cx by recurrent episodes of upper airway obstruction associated with reduction in ventilation
Term
what is the "two-hit' defect that develops with OSA?
Definition

upper airway mechanical defect + neuromuscular response defect

 

mechanical defect due to obesity, tonsillary hypertrophy, retrognathia, or craniofacial features

 

neuromuscular factors:  impaired response to hypercapnia and hypoxemia, loss of "wakefullness stimulus" to pharyngeal dilator muscles

Term

Menopausal women

African Americans

Obesity

collar size > 17in (men) >15 in (women)

+FH

Smoking

EtOH and benzos

 

risk factors for what?

 

 

Definition

OSA

obstructive sleep apnea

Term

daytime fatigue, AM headaches

restless sleep, insomnia

snoring

 

Sx of what

Definition
Obstructive Sleep Apnea
Term
What are some of the clinical signs (seen on PE) associated with OSA?
Definition

crowded pharyngeal airspace

retrognathia

macroglossia

tonsillary hyperplasia

lateral peritonsillar narrowing

 

 

pretty logical!!!

Term
what is the most common symptom of OSA?
Definition

hypersomnolence

 

intrusion of sleep during sedentary activities and during normally active situations

Term
What is the gold standard test for the Dx of OSA?
Definition
Polysomnography (PSG)
Term

____________ is the sudden onset of B/L muscle weakness triggered by humor, surprise, or excitement.

 

used to Dx what?

Definition

Cataplexy is the sudden onset of B/L muscle weakness triggered by humor, surprise, or excitement.

 

used to Dx Narcolepsy

Term

Cataplexy

Sleep paralysis

Hypnagogic and hynopompic hallucinations

 

cx of what disorder?

Definition
Narcolepsy
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