-
what should you look for when Inspecting the external ear?
- Position
- shape
- size
- symmetry
- color
- lesions
- drainage
-
What are normal findings when inspecting the external ear?
- Ears are aligned with eyes
- ears are symmetrical
- no redness, no lesions, no drainage
-
palpation assessment of external ear
- Assess tenderness and lesions
- palpate tragus & mastoid process
- pull helix forward b4 inserting otoscope
- proceed carefully
-
how should the otoscope exam of external ear be completed?
- have pt tilt head to opposite side
- use largest shortest speculum that will fit
- pull pinna up and back for adult
- pull pinna down and back for child
- always look into the ear canal b4 inserting the otoscope
- insert .5 in adult .25inches child
-
what to look for during the external ear canal exam
- color
- drainage-cerumen in normal
- patency
- edema
- lesions
- foreign body
-
scientific name for ear drum
Tympanic Membrane
-
assessment of tympanic membrane
- note position of landmarks (cone od light)
- ears are mirror images cone of light should be at 7 o'clock in right, 5 o'clock left
- note intactness, lesions
- color, and exudates.
-
what should a normal tympanic membrane look like
- pearly gray
- intact (no tears, holes)
- no lesions, or exudates
- no bulging or retraction
-
how do you check gross hearing
use whispered voice test to assess for low pitch deficits (1-2 feet from ear)
-
what test is used to check for bone conduction hearing?
- Weber Test Place tuning fork on top of head.
- sound should be heard equally thru both ears.
- if it lateralizes, sound is heard better in impaired ear thru bone
-
What test check bone conduction and air conduction
- Rinne Test
- place the tuning fork on the mastoid bone behind until no longer heard, then move it in front of the ear to see if hey can hear it.
-
weber test results
normal- the tuning fork is heard the same bilaterally
abnormal- the sound of the tuning fork lateralizes. Sound is heard better in the impaired ear.
-
Rinne Test results
- normal- sound transmission through air is twice as long as through bone
- AC>BC
-
what does the Romberg test check
Romberg Test checks balance
-
how do you perform the Romberg test
- walk straight line
- touch finger to tip of nose
- stand still with eyes closed
- checks for balance
|
|