ENOT/ opth (Alice) (15%) Flashcards
AOM is mc caused by
1. strep pneumo
2. h. flu
3. m. cat
classification of AOM
acute: < 3 weeks
chronic: > 3 mos
recurrent: 3 episodes x 6 mos OR 4 w.o clearing in between
chronic: > 3 mos of serous fluid in middle ear w.o s/sxof infxn
do you use abx for chronic AOM
no!
2 key findings of AOM
bulging of TM
limited mobility of the TM
1st line tx for AOM
amoxicillin
vs
augmentin
vs
cephalosporin
< 2 yo: 10 days
> 2 yo: 5-7 days
tx for AOM if pcn allergy
macrolide
2 complications of AOM
mastoiditis
bullous myringitis
mcc of acute pharyngotonsillitis
adenovirus
EBV triad
fever
sore throat
LAD
recent sexual encounter + non resolving pharyngitis
gonorrhea pharyngitis
consider _ pharyngitis in pt’s using ICS
fungal
centor criteria
absence of cough
exudates
fever > 100.4
cervical LAD
2-3 = rapid strep
4 = empiric tx
what 3 sx are NOT suggestive of strep pharyngitis
coryza
cough
hoarseness
gs dx for strep pharyngitis
throat culture
gs tx for strep pharyngitis
pcn
pcn allergy: azithromycin
2 complications of strep pharyngitis
rheumatic fever
psgn
for EBV, how long do pt’s need to avoid contact sports
3 weeks from symptom onset
strenuous sports: 4 weeks
tx for gonorrhea pharyngitis
IM ceftriaxone
PLUS
azithromycin
what is this showing
edematous, bluish nasal mucosa ->
allergic rihinitis
what are these showing
transverse nasal crease
allergic shiners
allergic rhinitis
allergic rhinitis is _ mediated mast cell _ release
IgE
histamine
what is rhinitis medicamentosa
rebound congestion from using intranasal decongestants > 3-5 days
mc cause of viral and bacterial conjunctivitis
viral: adenovirus
bacterial: s.aureus, strep pneumo
what pathogens do you think of when you see copious, purulent conjunctival discharge not responsive to conventional tx
m cat
gonococcal
-giemsa stain
-inclusion body
-scant mucopurulent conjunctival discharge
chlamydia (newborn) conjunctivitis
tx for bacterial conjunctivitis
in order:
1. gentamicin/tobramycin (tobrex)
2. erythromycin (e-mycin)
3. trimethoprim and polymixin b (polytrim)
4. cipro (clioxan)
pathogen and tx for conjunctivitis in contact lens wearer
pseudomonas
fluoroquinolone drops (ciloxan)
tx for neisseria conjunctivitis
referral
topical + systemic abx
tx for chlamydia conjunctivitis
-systemic tetracycline vs erythromycin x 3 weeks PLUS abx drops
-asses for STI/child abuse
tx for viral conjunctivitis
eye lavage w. NS x 7-14 days
antihistamine drops
warm/cool compress
tx for allergic conjunctivitis
systemic vs topical antihistamines or mast cell stabilizers:
azelastine (optivar)
epinastine (elestat)
emedastine difumarate (emadine)
levocabastine (livostin)
stridor, restless, cough, dyspnea, fever, dysphagia, drooling, tripod/sniffing dog posture, neck extended
epiglottitis
3 d’s of epiglottitis
dysphagia
drooling
distress - respiratory
mcc of epiglottitis
Hib
what is this showing
thumbprint sign -> epiglottitis
abx for epiglottitis
ceftriaxone
mc site for anterior nosebleed
kesselbach’s plexus (little’s area)
kesselbach’s plexus includes (4)
anterior ethmoid a
superior laial a
sphenopalatine a
greater palatine a
mc location for posterior nosebleeds
woodruff’s plexus
woodruff’s plexus includes _ artery
sphenopalatine a
most nosebleeds are anterior and respond to
1. direct pressure x 10-15 min seated/leaning forward
2. decongestants: afrin, phenylephrine, cocaine?
3. petroleum jelly or abx ointment inside the nostril bid x 4-5 days
all pt’s who get nasal packing for epistaxis must be treated with _ to prevent _
cephalosporin
toxic shock syndrome
t/f: pt w. anterior nasal packing for epistaxis must return to the clinic to have it removed
t!
management of pt who needs posterior balloon packing for epistaxis
consult
admit
you must rule out what 2 conditions in a pt w. recurrent epistaxis
htn
hypercoagulable d.o
classifications of hearing loss
conductive
sensorineural
mixed
for the weber test, sound lateralizes to the affected ear in _ hearing loss
and to the unaffected ear in _ hearing loss
affected: conductive
unaffected: sensorineural
for the rinne test:
BC > AC =
AC > BC =
BC > AC: conductive
AC > BC: sensorineural
mcc of conductive hearling loss
otitis media
trick to remember weber and rinne results
weber: hear in bad ear
rinne: BC > AC (think rhino = bone)
mcc of sensorineural hearing loss
presbycusis
gradual, symmetric hearing loss associated w. aging
prebycusis
moi for presbycusis
degeneration of sensory cells and nerve fibers at the base of the cochlea
8 causes of sensorineural hearing loss
presbycusis
noise
infxn
drugs
congenital
meniere
CNS lesions
8 causes of conductive hearing loss
cerumen impaction
otitis media
otitis externa
exotoses
TM perforation
otosclcerosis
neoplasms
what are exotoses
bony outgrowths of external auditory canal caused by exposure to cold water - “surfers ear”
what is this showing
anterior/inferior displacement of the auricle -> mastoiditis
mastoiditis is a complication of
acute otitis media
5 pathogens associated w. mastoiditis
strep pneumo
h.flu
m.cat
s. aureus
s.pyogenes
dx for mastoiditis
CT w. contrast
tx for mastoiditis
ceftriaxone
10 month old boy w. friable white plaques on the tongue that bleed when scraped
oral thrush
what is this showing
oral thrush
oral thrush is caused by what fungus
candida albicans
white plaques that bleed when scraped
oral thrush
dx and tx for oral thrush
dx: KOH smear -> budding yeast and pseudohyphae
tx: nystatin vs oral fluconazole
what is this showing
orbital cellulitis
proptosis, pain w. eye movements, inability to adduct or abduct the eye
orbital cellulitis
periorbital cellulitis is infxn of the _
orbital cellulitis is infxn of the _
periorbital: skin
orbital: muscles and fat behind the eye
orbital cellulitis can be a complication of
sinusitis
_ is a rare symptom of orbital cellulitis
decreased vision
PE exam of suspected orbital cellulitis should focus on
assessment of extraocular movements
tx for orbital cellulitis
admit
vancomycin
what is this showing
otitis externa - swimmers ear
what 2 actions increase pain w. otitis externa
movement of the tragus
eating
what discharge is associataed w. otitis externa
cheesy white
rinne testing suggestive of otitis externa
BC > AC
pathogens associated w. otitis externa: simmer’s ear vs digital trauma
swimmers: pseudomonas
digital trauma: s.aureus
what pt pop does malignant otitis externa make you think of
diabetics
tx for otitis externa
abx drops: aminoglycosides vs fluoroquinolones
+/- steroids
tx for otitis externa if perforated TM
cipro drops
PLUS
dexamethasone drops
tx for malignant otitis externa
admit
IV abx
what pathogen is associated w. malignant otitis externa
aspergillus
pruritis, weeping pain, hearing loss, swollen, moist appearance
fungal otitis externa: aspergillus vs candida
tx for fungal otitis externa
2% acetic drops
clotrimazole drops
oral itraconazole
fever
hot potato voice
trismus
peritonsillar abscess
what is this showing
peritonsillar abscess
peritonsillar abscess is mc caused by
strep pyogenes
tx for peritonsillar abscess (3)
aspiration
I&D
IV abx
+/- tonsillectomy
abx for peritonsillar abscess (3)
amoxicillin
augmentin
clindamycin
strabismus is defined as
any form of ocular misalignment
what is this showing
out-turning of eye -> exotropia
what is this showing
in-turning of eye -> esotropia
PT test for strabismus
cover/uncover
indications for referral for strabismus
constant
intermittent > 6 mo
what exercise is used in strabismus management
patch exercises
complication of strabismus if treated after age 2
amblyopia
2 causes of TM perf
AOM
barotrauma/direct impact/explosion
management of TM perf
usually self resolve
keep dry
surgery if persists > 2 mo
+/- abx drops
only abx ear drop that is not ototoxic
floxin