Ears Nose and Mouth Flashcards
Physical Exam
Assess gross hearing Rinne and Weber test Inspect auricle Palpate mastoid process Press tragus Inspect canal Inspect tympanic membrane
Gross Hearing
Whispered voice test
Conversational speech
Rubbed fingers
if abnormal, asses Weber and Rinne test
Weber Test
place fork on midline of head
ask if sound is louder in one ear than other
should be equal
lateralization
hearing on both sides equally
Rinne Test
normal air > bone conduction
if blocked, bone > air
Conductive loss
blocking vibrations
external or middle disorder impairs conduction
Weber: sound will lateralize to impaired ear
Rine: bone > air
Foreign body, impacted cerumen, otitis externa
Tympanosclerosis
Otosclerosis
Tympanosclerosis
scar tissue on tympanic membrane
Sensorineural loss
-impaired vestibulocochlear nerve CN VIII or neuronal impulse
-higher tones lost
-hearing worse in noisy environment
-voice gets louder
-weber sound lateralizes to good ear
Rinne AC >BC
causes: aging, exposure to loud, inner ear infection, trauma, acoustic neuroma
acoustic neuroma
tumor growing inside ear, impedes CN VIII
Inspect external ear
- changes in skin, common for skin cancer
- symmetry
- piercings, scars, keloids
- palpate tragus and mastoid
- inspect behind for eczema and fissures
Otoscopic exam
evaluate external canal
assess tympanic membrane
asses for foreign body, cholesteatoma, fluid
Lift up and pull back
cholesteatoma
An abnormal skin growth in the middle ear behind the eardrum is called cholesteatoma. Repeated infections and/or a tear or pulling inward of the eardrum can allow skin into the middle ear.
Cone of light
indicates TM is soft, no pressure or fluid
R at 5:00
L at 7:00
Otitis External
external canal inflammation exuduate my block TM usually from swimming, trauma, dermatologic condition P aeruginosa and staph epidermidis Treatment antibx drops
Exostosis
nontender outgrowths of bone covered by normal skin deep in ear canals
nonmalignant, may obscure ear drum
seen in swimmers
serous otitis
common with viral upper respiratory infections
common reason for otalgia
can occur from flying
otalgia
ear pain
acute otitis media
middle ear infection
- whitish discoloration
- marked erythema
- bulging TM
Bullous Myringitis
painful vesicles appear on TM
common organism mycoplasm, viral, or bacterial otitis media
treat with macrolide