Neuro 5 Flashcards
CN 4?
Lateral rectus
Optic tract lesion on the left?
Causes right homonymous hemianopsia
Temporal lobe interference with vision?
Upper quadrantic anopia
Parietal lobe lesion?
Loss of lower quadratic
lesion prior to pretectal nucleus?
Afferent defect. Doesn’t constrict. But still sees light
Type of cancer in pan coast?
Non small cell
Near sighted is focused close
amypia
Ambluiopia is from what
tx?
Strabismus. Tx is vision training
Common cause of blindness in black?
Glaucoma
Tx bacterial conjunctivitis?
Erythromycin
Most common conjunctivits in first 24 hours of life?
CHEMICAL FROM ANTIBIOTIC EYE DROPS
B27 are seronegative arthritis. Whats the mnemonic?
TX?
PAIR
Psoriatic
Ankylosin spondylitis
IBD arthritis
Reactive arthritis
STEROIDS
CORNEAL ulcer think what?
Painful. HSV!!
Orbital cellulitis vs peri?
Orbital involved things in orbit like muscles
SO THINK ptosis. Think PAIN with movement. Unable to move eye.
RISK OF BLINDNESS OR DEATH
Chalazion
Hordeolum
Anterior blephartis
Submucosal in eye lids. Tx self limiting or excision if need be
Hordeolum is a stye and sebacias gland infected. Hot compress
Anterior blepharitis Eye lids infected with seborrhea. Wash with shampoo
Cataract treatment?
Lens replacement
Closed angle glaucoma symptoms?
PAIN unilateral HALOS!! IT LOOKS WEIRD TO SEE AN EYE WITH IT
Symptom of open angle glaucomea?
Gradual loss of peripheral vision and is permanent
Dx of glaucoma? KNOW!
Tenometry
Optic cup is more than half of optic disk
Open angle tx?
Prostoglandins, Timolol, Alpha 2 agonists (clonidine), pilocarpine is cholinergic agonist to close it!
What symptoms in most common cause of blindness in elderly?
macular degeneration. 2 types
lose middle of vision
dry has drusen
wet has neovascularization
Risk factor for mac degen?
SMOKING
Tx mac degen?
Antioxidents like beta carotene, vit C and E
AntiVegF ranibizumab
Cherry red spot in adult?
Think retinal vessel occlusion!!!!
Tx retinal artery occlusion?
Throbolytics, acetazolamid or mannitol, OXYGEN
What is bullous myringitis? What causes it? Tx?
Vesicle on tympanic membrane and painful ear infection
Mycoplasma pneumoniae is cause, GIVE MACROLIDE for Myringitis
Otitis externa tx if worried about pseudo or invasion into skull?
FLUOROQUINOLONE
Vertigo, nausea and vomiting?
Vestibular neuritis. IF HEARING LOSS IT IS LABYRINTHITIS
Tx for acute labyrinthitis?
SUBSIDES IN A FEW WEEKs, steroids might help.
What is Meniere disease?
Mnemonic?
Meniere is MANY-EAR symptoms. INCLUDES TINITIS
Distention of endolymphatic compartment of the ear causing vertigo
ACITE with nausea, vomigting, decreased hearing, tinnitus!!!
LOW FREQUENCY HEARING LOSS
Meniere history?
MANY EAR symptoms lasting several hours with exacerbations from nowhere.
Thiazides might help anticholinerics and antiemetics and antihistamines improve exacerbation
Diffinitive tx of meniere??
Surgical decompression and destroy ear
What is symptoms and what is acoustic neuroma?
Schwannoma of CN VIII
Hearing loss secondary to nerve conduction. Unilateral facial palsy, Dizziness. Decreased sensation
SENSORINEURAL HEARING LOSS
Conductive hearing loss in adults most common cause?
Sensorineural hearing loss in adults most common cause?
Conductive: otosclerosis
Sensorineural: presbycusus
Ramsay hunt tx?
Narcotic for pain
Steroids for inflammation
Valacyclovir (b/c it is zoster)
