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40 Cards in this Set

  • Front
  • Back
Two types of hearing loss
Conductive and Sensorineural
Pathologics for Conductive HL
External and Middle Ear
Pathologics for Sensorineural HL
Cochlea/Cochlea N. and Brain Stem
(HL) Loudness of Speech
Conductive vs. Sensorineural
Conductive = Softer
Sensorineural = Louder
(HL) Impaired
Conductive vs. Sensorineural
C = Air conduction
S = Air and Bone conduction
(HL) Rinne
Conductive vs. Sensorineural
C = Negative
S = Positive
(HL) Weber
Conductive vs. Sensorineural
C = Heard on "deaf side"
S = Heard on better side
Congenital deafness accounts for ____ of all deafness in ______.
50%
Children
Formation of new bone in the labyrinth, and causes fixation of stapes to ______ window.
Also found in what type of HL?
Otosclerosis
Oval
Conductive
With the exception of _______, conductive HL alters appearance of ______?
Otosclerosis
Tympanic Membrane
Causes of Vertigo and frequently assoc w/ ?
Assoc with a loss of vestibular fxn (unsteady gate)
Results from: (IMNOP)
Iatrogenic
Menier's ds: causes severe paroxysmal vertigo from labyrinthine lesions
Neurologic
Otologic
Psychological
Clinical triad for Meniere's Syndrome
Vertigo w/ vomiting
Tinnitus
HL
What is Otalgia?
What are the Localized causes?
Ear Pain
Otitis Externa (Swimmers ear)
Otitis Media
What is Otalgia?
What are the Referred causes?
Ear Pain
Teeth, TMJ, cervicals (C2-3), pharynx (mucosal swelling)
Inflammation, trauma, or neoplasm anywhere along C.N. V, VII, IX, X
-Present in ipsilateral ear and is referred
What is tinnitus and what might cause it?
The sensation of hearing sound, such as buzzing or ringing, in the absence of environmental input.
It is assoc w/ a conductive or sensorineural hearing loss
What are causes for nodules in and around the ear?
Tophi (from gout) on helix or antihelix
Carcinoma & hematomas
Scar tissue from trauma (piercing)
Differences between examining the inner ear of a child vs. an adult
Access the external auditory canal, tympanic membrane, malleus
Adults = pull Posterior and Superior
Child = pull Posterior and Inferior
Features of the normal tympanic membrane
Intact, ovoid, semitransparent, pearly gray membrane
-Ds will be yellow or red
"Light reflex" should be AnterioInferior of pars tensa
Long process of the incus is usually posterior to the malleus
How is patency of the Eustachian tube determined?
Obstructed eustacian tube moves inward = Retract
Fluid in the middle ear will have decreased or absence of movt = Bulging
S/S for Acute Otitis Externa
-Swimmers ear
-Painful when pulling on tragus and auricle
-Inflammation of external canal but NORMAL tympanic membrane
-Yellowish-green discharge
S/S for Acute Otitis Media (aka Baterial)
-Primary in children
-No pain when pulling on auricle and tragus
-Tympanic membrane is fiery red and BULGING outward
S/S for Secretory Otitis Media
-Primary in ADULTS
-Air becomes trapped w/in middle ear (air bubble); tympanic membrane will RETRACT
-Amber color
Weber Test
Compares BONE conduction in BOTH ears
(512 MHz)
Rinne Test
Compares AIR and BONE conduction separately
(512 MHz)
Rinne Positive test
AC > BC (Normal or Sensorineural los)
Rinne Negative test
BC > AC (Conduction HL)
What is a false negative Rinne test?
Total deafness
Pt. will hear fork on mastoid of deaf ear b/c it transmits vibrations across the skull to the healthy ear
How would a perforation look with an otoscopic exam?
Perforations may be central or marginal. Present as a hole and name described where the perforation is. A central does not involve the margin of the tympanic membrane.
Marginal is more severe.
Nasal conditions usually occur ______?
Middle meatus
Nasal:
Thin watery discharge
Viral or Allergic rxn
Nasal:
Thick purulent
Bacterial infection
Nasal:
Bloody
Neoplasm, trauma, fungal infxn
Nasal:
Foul Smelling
Foreign object, chronic sinusitis, malignant ds
Nasal:
Clear watery discharge increases w/ coughing or bending head forward
CSF
What is the difference between the Nasal and Sinus Exam?
Nasal:
Inspection, Palpation, Olfactory, Internal Exam

Sinus: Inspection, Palpation, Percussion, Transillumination
How are turbinates clinically different from a polyp?
Polyp:
-Most common cause of anosmia
-Pale, Translucent, and moveable
-Round, Darker pink, Smooth, and on the Medial Meatus

Turbinate:
-Round, light pink, and ridged
Difference between acute rhinitis and allergic rhinitis
Acute Rhinitis is non-seasonal and due to stress, nasal spray abuse, prego, hypothyroidism

Allergic Rhinitis is seasonal and non-seasonal congestion due to allergens
Seasonal:
Spring = weeds, pollen, trees
Fall = weeds and pollen
Summer = grass

Non-seasonal:
-Animal dander
-Dust
-Mold
How are the Ethmoid and Sphenoid sinuses evaluated?
XRAY
What do you palpate and percuss, and transillumination of maxillary is lateral to nose below medial aspec of eye
Frontal and Maxillary sinuses
What meatus do the sinuses drain into?
Nasal lacrimal duct
Anterior ethmoid
Posterior ethmoid
-Nasal lacrimal duct drains into the inferior meatus
-Anterior ethmoid drains into the middle meatus
-Posterior ethmoid drains into the superior meatus