ENT Lab Flashcards
What should the outer portion of the ear look like?
inner?
- hairy
- cerumen glands
-surrounded by bone, lined by thin, hairless skin
When examining an adult TM, what way do you pull to straighten the ear canal?
-up, out, posterior
When enacting a child TM, what way do you pull the straighten their ear canal?
-down, out, posterior
What does a normal tympanic membrane look like?
translucent and pearly
Where does the chordates tympani run posterior to the TM?
-superior part near pars flaccida
Where does the cone of light fan down & anterior from?
the umbo
What is conductive hearing loss?
-external or middle ear problem
What is sensorineural hearing loss?
- inner ear, cochlear nerve ot central brain connections
Describe the Whisper test
- doctor behind patient
- patient close one ear
- doctor exhales fully and whispers combo of number and letters
- patient repeats the sequence
- repeat with different sequence if answers incorrectly
What is an abnormal vs normal whisper test result?
- normal : patient correctly repeats the sequence or after 2 sequences can identify 3/6
- abnormal : incorrectly identifies 4/6
What does the Weber test access for?
tests for lateralization
What his the purpose of the Ring test and when would you use it?
- compares bone and air conduction
- done if patient fails weber test
Describe the Weber test
-vibrating tuning fork placed over patients head or on middle of forehead
Whats a normal vs abnormal Weber test ?
normal = lateralizes to both ears equally
abnormal = sound lateralizes to one ear (conduction ot sensorineural in opposite ear)
Describe the Rinne Test
- place vibrating tuning fork on mastoid process level with ear canal
- when patient no longer hears the sound quickly place fork close to ear canal and inquire if they can hear the sound and for how long