Outer Ear
Name an obstruction someone could have in the OE.
Insect, cerumen, random objects, amniotic fluid and vermin (newborns)
What is a permanent treatment solution for chronic Eustachian tube dysfunction?
Pressure Equalization (PE) Tubes
Name of HL due to aging
Presbycusis
True or False: Thyroid dysfunction (Pendred Syndrome) is a feature of Waardenburg Syndrome.
False
Common features are: Pigmentation abnormalities, Wide set eyes, Possible hearing loss
What do OE disorders affect?
deflection, collection, direction and resonance enhancement
What do ME disorders affect?
vibration, conduction and amplification
What do inner ear disorders affect?
sensory reception fo sound waves, amplification of sound, and neural encoding of sound
Fill in the blank: there are ______ types of microtia, each have a different severity levels.
4
What are the two surgical treatment methods of microtia?
MEDPOR ear or Rib reconstruction
Name this disorder: Individuals with this disorder have kidney problems, cysts on neck, microtia and ossicualr abnormalities
Branchio-oto-renal (BOR) Syndrome
Name the one test of hearing that ONLY tests the IE
Bone Conduction
Ototoxic directly relates to _______ _________.
Ototoxic directly relates to ____ear___ ___poison______.
What is atresia?
no hole leading to the EAM
What is otosclerosis and how do we treat it?
Bony growth over the stapes, stapedectomy
Name the most common congenital abnormality of the IE
Common Cavity Deformity
Connexin 26 is an inner ear disorder that affects hearing by altering vibration and amplification.
False – Connexin 26 affects hearing by altering encoding, not vibration and amplification.
What is the difference between swimmer's ear and surfer's ear?
Swimmer's ear: otitis externa; bacterial fungal infection
Surfer's ear: osteoma or exostosis; stenosis due to calcium deposits in the EAM (cold water)
Describe the process of eustachian tube dysfunction to otitis media
(1) the eustachian tube does not open.
(2) Middle ear cavity needs oxygen.
(3) the pressure of the OE is greater than the pressure in the ME.
(4) Tympanic Membrane becomes retracted (pulled back into the ME)
(5) vacuum is created in the ME
(6) intracellular fluid is pulled in the ME cavity
What does the acronym CHARGE stand for?
C= coloboma: hole in the retina, iris or optic disc
H= hear disorder
A= choanal atresia
R= retarded growth
G= genitourninary abnormalities
E= ear anomalies “elf ears”—a more pointed pinna
List the 4 ways to treat otitis media.
decongestants, antihistamines, antibiotics, and PE tubes