SN/CVA exam 4 questions Flashcards
how would a patient present with AMD
loss of central vision
how would a patient present with glaucoma
peripheral vision loss
how would a patient present with cataracts
opacity of lens – can be bilateral or unilateral
what medications treat symptoms of glaucoma by lowering IOP
cholinergic
prostaglandin analogs
beta blockers
alpha-adrenergic agonists
carbonic anhydrase inhibitors
there is no cure for glaucoma so the medications treat symptoms and prevent ___ ____ _____
optic nerve damage
SE/CI of cholinergics
- expire after 2 months at room temp
- tell pt to avoid dimly lit areas
- side effects = pain and blurred vision
prostaglandin side effects
darkening of iris
beta blocker contraindications
COPD, asthma, heart blocks, bradycardia
alpha agonists side effects
redness of eyes, dry mouth, dry nasal passages
carbonic inhibitors important infor
avoid with sulfa allergy and watch for electrolyte imbalances
signs/symptoms of retinal detachment
Sudden floaters, flashes, blurred vision, reduced peripheral vision, curtain-like shadow over field of view
type of conjunctivitis associated with a history of URI
viral (adenovirus, H. simplex)
very contagious!!!
how to instill eye drops or ointment for conjunctivitis
Apply drops to inner canthus
What side effects can occur with someone who is having cerumen impaction irrigation?
Vertigo/dizziness
Perforation of tympanic membrane
what condition can cause tympanic membrane perforation
acute and chronic otitis media
Meniere’s disease has what 3 symptoms
vertigo, tinnitus, hearing loss
medical treatment for Meniere’s
Antihistamines (Antivert)
Tranquilizers (valium)
Antiemetics (Phenergan)
Diuretics
Shunting of the fluid or vestibular nerve suctioning (surgical)
nonmedical treatments for Meniere’s disease
Low salt diet (1000-1500 mg daily)
Increase water intake
Avoid caffeine
Limit alcohol intake
Avoid aspirin and MSG
Describe a patient who is at high risk for CVA. Age/race/medical conditions
African American
Male
Over the age of 55
History of HTN
HLP
Diabetes
Atrial fibrillation
Cardiomyopathy
Sickly cell disease
Migraines
Obstructive sleep apnea
Lupus
Rheumatoid arthritis
what focused assessments should be performed on a pt who presents with possible CVA
Gag reflex
Respiratory pattern
Blood pressure
Carotid exam
Gross neurological deficits (cranial nerves)
Mental status (sensorium)
NNHS score
what imaging study is necessary to diagnose CVA to differentiate between hemorrhagic and ischemic
CT scan – view tissue
beneficial diagnostic studies in identifying cause of CVA
MRI – view vessels
carotid ultrasound – carotid bruit/blockage
EKG – AFIB
emergent treatment of ischemic stroke
tPA
goal of tPA
dissolve clot; restore blood flow to brain regions affected by a stroke