Terms in this set (31)
Cold Opposite Warm Same (nystagmus compensation for endolymph stimulation)
What does COWS stand for?
What is a sensation of
spinning or turning
How is direction of nystagmus named: the slow or fast component?
Which is normally in the direction of endolymphatic flow: the slow or fast component of nystagmus?
horizontal nystagmus regardless of the angle of canals plane
What will stimulation of the horizontal semicircular canal in a normal ear always result in?
any disturbed sense of relationship to space
What is nonvestibular dizziness
Vestibulocolic reflex (VCR), vestibulospinal reflex (VSR), and the vestibuloocular reflex (VOR)
What are three vestibular reflexes that may be impaired?
Vestibulo-ocular reflex (VOR)
What is the most important vestibular reflex for humans?
Benign paroxysmal positional vertigo (BPPV)
What is the most common type of peripheral vertigo?
Posterior semi-circular canal
What is the pathology of BPPV located in 95% of patients?
Valium for first 24-48 hrs., followed by a canalith repositioning maneuver
How is BPPV treated?
What is an inflammatory process occurring within the membranous labyrinth that may have a bacterial or viral etiology?
Benzodiazepines initially, vestibular rehabilitation afterwards
How is labyrinthitis treated?
What is a sudden profound loss in auditory and vestibular function, and typically occurs in older patients?
vertigo, tinnitus, and hearing loss
What is the triad of Menieres syndrome (cochleovestibular)?
allergy or food sensitivity
What is the most common etiology of Menieres disease?
Low salt/caffeine diet, diuretics, antihistamine (Meclazine), Anticholonergics, sympathomimetics, benzodiazepines, steroids, and antibiotics, anti-depressants, anti-viral drugs, immunosuppressant drugs, CCBs
How is Menieres disease treated?
What is a perforation or tear in the round or oval window membrane separating the middle and inner ear?
True or false. patients with migraines always have headaches
False. BPPV does fatigue
True or false. nystagmus of BPPV does not fatigue
Direction changing nystagmus
Which type of nystagmus occurs with migraine?
Patient turns head and hyperextends neck with posterior head pitch; done to avoid basilar stroke
What is the vertebral artery screening test, and why is it done?
Vascular problem (light or colored- neurological)
What do dark spots in vision indicate?
Headache, fatigue, dizziness, and attention deficits
What are symptoms post-concussion?
True or false. labyrinthine concussion almost always overlap with a cortical concussion
REST IS BEST
What is treatment for a cortical concussion?
No delay right away (VRT)
What is treatment for a labyrinthine concussion?
Sensation of movement after being on the boat for a while
What is Mal de Debarquement?
Loud noises make them dizzy
What happens with loud noise in a patient with superior canal dehiscence (osteoporosis)?
Cervical dizziness test
Which technique differentiates neuromuscular vs. cervicospinal radiculopathy?
They'll catch themselves frequently. They may also have asymmetric high frequency hearing loss
What will patients with an acoustic neuroma do when walking?