Dizziness Flashcards
Key to bppv
Only reproduced in 1 direction
How to r/o meneires
Hearing loss
No tinnitus.
Key to acute neuritis
Typical takes awhile longer than three days to resolve
Has a uti component
Ddx for differential
Hsv
Acute neuritis
Stoke min
Metabolic cause of ataxia
Heavy metal - murcury Vitamins b and e Pth Phenytoin Chemo
Lesions affecting vertigo are 7
Middle Inner ear Vestibular nucleus Cerebellar Eye Forebrain Artery
How long does bppv last
One minute
Assoc with bppv
Rolling in be
Suggested by several bouts of vertigo
Vestibular neuritis
How long does vestibular neuritis last
1 week
Define disequilibrium
Unsteady balance
What is benign paroxysmal positional vertigo NOT associated w/
Hearing
Tinnitus low
Aural pressure
Headache
Diagnosis step for bppv
Dix hall pike maneuver
Therapy for bppv
Cawthorne exercises
Stones floating around in bppv
Calcium Otoliths
Dysarthria with bowel movement
Basal vagal
Bppv aka
Top shelf syndrome
Nystagmus and central vs peripheral differences
Central goes up
Peripheral go horizontal, fatiquable
Describe bppv nystagmus 3
Latent
geotropic - toward ground
Rotary nystagmus
Immediate - central
Tests for vertigo
Dixen hall pike
Fukuda march eyes closed lean toward cerebellar
Head shaking
Can you get dizzy w seizure
Yes it is call vestibular epilepsy
Dizzy associated with cholesterol
Vertebrobasilar insufficiency
Signs of Vertiberbal insufficiency
Lasts sec
Repeats for weeks
Assoc with dysarthria, cerebellar cn
Dizzy ASsoc w vomiting
Viral vestibular neuritis
Acute supportive labyrinthitis
Dizzy assoc w loc
Vestibular epilepsy
Vestibrobasilar insufficiency
Basic test for vestibular fx.
Eng
What does eng tell you
Central vs peripheral
Other vestibular tests
Rotary chair test
Posturography
Goal of rocket maneuver
To put ball back in the saccule
Summary of bppv
30, recurring, disabling, 30 min, roaring tinnitus, aural, low freq hearing loss
How long does meniere last
20 min at least
If vertigo last longer than days 3
Viral vestibular
Acute suppurative labrum hits
Acute serous labyrinth
Herpes
If bppv does go away
Neuro otolaryngologist
Symptoms of bppv
Benign, just a few days, just 30 sec Paroxysm, severe burst Positional, 1 direction Associated w: rolling, looking up No tinnitus, hearing loss
Mnemonic for types of dizziness
Vaginas dislike little penises!
How often is dizziness in diagnoses
1 in 5
What type of dizziness does trauma cause
All of them
How often does whiplash cause vertigo
80 percent
Differential for presyncopal
Orthostatic
Cardiogenic arrythmia EKG
Associated with loc 30 percent
If you think dizziness is do to psych what do you call dizziness
Light headed ness
Triad of meniere
Heavy
Hearing loss
Tinnitus
More than 20
Explain vestibular neuritis
A nerve in your head called the vestibular nerve got infected by a virus. Which messes up your balance
Cn 8
Cause of meniere disease
Increase in endo lymphatic fluid
Explain meniere
Fluid in the inner ear
Vertigo plus hearing loss equals
Meniere 20 minutes (many min, many times) Labyrinthitis days ( long time)
Vertigo without hearing loss
Bppv - episodic
Vestibular neuritis -persistent
Episodic vertigo is suggestive of
Meniere
Bppv
How often is dizziness a stroke
3 percent
How often is dizziness without any localized finding a stroke
.7 percent
Differential for disequilibrium 6
Vision Stroke Parkinson Neuropathy Benzodiazepines Tricyclics antidepressants
Disequilibrium aka
Off balance or wobbly
Presyncope aka
Faint
Lightheadedness
Vague, out of it
Disconnected
Romberg sway suggests
Vestibular dysfx on ipsilateral side
Why is gait important for dizzy
Wide base
Ataxia
Parkinson
Cardiac tests if you suspect Presyncope
No cus - no anterior can cause stroke
EKG
Holter monitor
O/s
Are labs important for dizziness
No. .6%
If you suspect psych and dizziness
Hyperventilation
Anxiety
Treatment for bppv
Antivert 25 q 6 no evidence
Vest rehab
Ep key
Ttreatment for meniere
2 g of salt
Dyazidel diuretic
Steroid drop
Treatment for vestibular neuritis
Methylprednisolone 100 to 10 over three weeks
Treatment for o/s
Hydrate
Midodrine 10 mg tid
How does midodrine mechanism
Alpha a1 agonist
constrict
interact with tizanadine
How do you avoid supine hypotension with midodrine
Don’t take last pill after 5 pm
What do you monitor with fludtocortisone
Htn, k, chf
If midodrine and fludtocortisone aren’t option for o/s
Paxil!
Non pharm for o/s
Ways to help your
Get up slowly
Ted hose
Sleep w head elevated
Treatment for light headed ness
Bag and beta blocker
Bolo for asthma
What do you have to worry about with beta blocker
Asthma
Diabetes
Low dose meclazine
12.5 mg bid
Treatment for menieres
ENT doctor
Meclazine 12.5. Skip a pill see if you feel better