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REVIEW
REVIEW ON ANATOMY
External ear:
y anything lateral to the tympanic membraneMiddle ear:
y anything within the middle ear spaceincluding the Eustachian tube
External ear:
y cochlea, vestibuleThe mainstay for any diagnosis is a good physical
examination, of course, and the mainstay of any
general practitioner that wishes to examine the ear
is an otoscope.
USING THE OTOSCOPE
1. Pull the ear upward and backward to
straighten the ear canal.
2. Inspect the whole auricle and the back of
the ear (the post-auricular area). Choose the right
size of speculum.
3. Insert gently into the ear. Do not jab
because the ear is very pain sensitive. Also, do not
torque the handle while examining.
4. Roll gently with fingertips touching the
otoscope. Please be very very gentle.
The otoscope may be held like a gun. . . (he was
about to say more, but was distracted by the
attendance.)
THE TYMPANIC MEMBRANE (TM)
*Note the structures:
y cone of lighty handle of malleusy short process of the malleusy long process of the malleusy maleolar-incunal jointy malleusy incusy parstensa (major portion of tympanic
membrane)
y parsflaccida*Note the laterality
PATHWAY OF HEARING
MIDDLE EAR
y converts sound energy into mechanicalenergy
Tympanicmembrane
y area is 15x that of the oval window andstapes
y very sound-senstivey sound vibrates the tympanic membrane,
which in turn vibrates the ossicles,
eventually the footplate of the stapes.
y energy is amplified due to the proportion ofthe size of the tympanic membrane to the
stapes
y however, one cannot have a good andfunctioning eardrum (tympanic membrane)
without a normal functioning Eustachiantube
Eustachian tube
y maintains the health of the middle eary provides drainage: ear mucosa is
respiratory. Without the Eustachian tube,
mucous secretions will be a very good
Subject: MedicineTopic: ENT- Hearing Loss, Vertigo and
TinnitusLecturer: Dr. RamosDate of Lecture:Aug. 1, 2011Transcriptionist: pinkyredPages: 16
SY
2011-2012
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culture media for microorganisms to grow
into
y aeratesy protects: closes when one blows hard,
protecting the tympanic membrane
y If one does not have a Eustachian tube andhe blows his nose, the tympanic membrane
will fly off the ear.
y regulates pressure: opens in high altitudesand during descent to equalize pressure
y opened and closed by velo-pharyngealmuscles (tensor velipalatini,
levatorvelipalatini, palatoglossus, palato-
pharyngeus muscle, muscles of the soft
palate)
Soft palate
y opens and closes the Eustachian tubey provides a means of sealing the
nasopharynx and oropharynx
y allowing one to drink without having thefluids go into ones nose
y allows one to pronounce K and Qy cleft palate patients are prone to ear
infections due to the abnormal functions in
the Eustachian tube
INNER EAR
Cochlea
Note structures:
y organ of cortiy modiolus (midline)Bony center of the
Cochlear Spiral
y basilar membrane
y tectorial platey Reissnersmembrane(where endolymph
and perilymph are)
y Rosenthals canal is where the modiolusbecomes the spiral ganglion,
y spiral ganglionaggregates to form thecochlear nerve
y Basilar membrane becomes progressivelythicker as it nears the apex
The footplate of the stapes is attached to the oval
window, which is in close relationship with the
endolymph and perilymph (has higher sodium)
Vibrating the oval window vibrates the fluids
The shearing forces of the fluid vibration in the
tectorial plate rub against the hair cells in the very
sensitive basal membrane and transmit the signal to
the nerve fibers in the spiral ganglion to becomethe cochlear nerve.
Lower portion (base) is for high frequency sound;
the apex is for low frequency sound.
OrganofCorti
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inner and outer hair cells
y depolarize and send their signals to thecochlear nerve fibers
y mechanical energy becomesneurotransmitters
y very low electrical energy going to thenervey shearing the forces towards the kinocilium:
excitatory
y shearing the forces away from thekinocilium: inhibitory
Pathwayofhearing
remember COLIMA:
y cochlea will transmit the impulses to thecochlear nerve
y to the cochlear nucleusy superiorolivary nucleusy laterallemniscusy inferiorcolliculusy medialgeniculate bodyy auditory cortex
HEARING LOSS, VERTIGO, DIZZINESS
HEARING LOSSy conductive
o problem with transferring sound tothe nerve
y sensorineuralo damage to the nerve
y mixedo damage to both tympanic
membrane and nerve
CONDUCTIVEHEARING LOSS
y Impaired conduction of sound to the innerear.
y Caused by disease of the external auditorycanal and middle ear.
EXTERNAL EAR PATHOLOGY
y External canal swelling/inflammation (e.g.furuncle/pimple, swimmers ear: acquiredby swimming in contaminated water)
y Foreign body(various objects including nits,usually from pets)
y Impacted cerumeny Tumory Bony exostosisy Congenital abnormalities (e.g. microtia)
Otitisexterna
Acute inflammatory change (pain, redness, swelling,
3 weeks onset)
Auricle
y if only the cartilage is involved,perichondritis (common in physical
altercations, contact sports)
y if it also involves the earlobe and itssurroundings, cellulitis (e.g. people
reviewing, eating chips, then falling asleep,
and accidentally applying chip residue in the
ears, then a cockroach enters the ear canal,
burrowing deeper and deeper as the
patient tries to draw it outif this happens,
dont manipulate the roach, drown it in oil.)
y if there are vesicles, herpes zosteroticusExternalearcanal
y localized swelling in circumscribedotitisexterna(furuncle)
y swelling in the entire ear canal in diffuseotitisexternaor swimmers ear
y hemorrhagicotorrhea inbullousotitisexternaor luga
y mucopurulentotorrhea in chronic otitismedia with tympanic membrane
perforation
Chronic inflammatory change (itching, scaling)
Absent signs of otitis media
y thickened and scaly skin in chroniceczemaoftheearcanal
y ulcer in necrotizingotitisexternay granulations (appear like raw tocino) in
fungal infections,
granulomatousotitisexterna, tumors
Present signs of otitis media
y purulentotorrhea in otitisexternaaccompanying otitis mediawith tympanic
membraneperforation
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y mucosal polyp and crusts in bony ear canalin suspectedcholesteatoma
Diffuseotitisexterna/eczema
y Inflammation of the canal skin due tomechanical injury, toxicity or allergy.
y Mixed bacterial infection of the skin thatinclude G(-) organisms(Pseudomonas
aeruginosa, Proteus mirabilis) anaerobes
and fungi
y swimmers eary
Pain, purulent discharge, canal obstruction(due to the ear canal being bony, it cannot
swell out, it swells in) thus pain and hearing
loss.
y Diffuse swelling, fetid discharge (anaerobicinflammation), crusting
y Cleansing, antibiotics, keep dry, analgesiay topical steroids in patients with very
inflamed ear, but should be chosen
carefullysteroids impair hearing and
wound healing, and aggravates infection
Foreignbody
y common in children, insert play objects intothe ear canal.
y Ear plugs, objects used in ear manipulation,adults.
y Check for associated injuries.y DO NOT IRRIGATE!y topical anesthetics for the ear are not very
effective
*Do not clamp, roll it out gently with a pick under
magnification. Dont jab at the skin, its very very
painful
Cerumen
y ear waxy ear is self cleansing epithelial migration
from TM to meatusy Ceruminous/sebaceous galnds
o Protective film of fatty acids,lysozymes and is acidic.
o Protectiony only the outer half of the ear canal
produces wax (only the hair-bearing
structures)
y contain enzymes that kill germs and fungiy acidic to be fungicidal and fungistaticy waterproofs the eary natural protective mechanism of the eardo not remove everyday, clean ears once
every two weeks (only the outer half, with
circular motions)
y soften the ear wax first before irrigationy irrigate when the wax is soft and lysed with
drops
y hard, dry impacted wax would only absorbthe water, expand and cause even more
pain and the expansion could cause
inflammation and swelling
y soften with hydrogen peroxide, dilute drops(50%), baby oil, otosol or ducosate sodium
Tumors oftheearcanal
y EAC tumors are rare it commonlyassociated with auricular tumors(malignancy).
y Frequently mistaken for otitisexterna.y Most common is skin cancery Painful, ulcerated, non healing lesion or the
EAC, bleeding, 2ndary infection, otorrhea.
y BIOPSY under microscopy
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y Surgery, irradiation (unfavorable becauseradiation is not very good with bones).
y cutaneous horns kulugoy basal cell carcinoma hyperpigmented
broad-based lesion
y squamous cell carcinoma non-healingulcer
Exostoses and hyperostosesabnormal boneformations in the ear canal
Exostoses
y True osteomas commonly located near theannulus (superomedial canal wall).
y Develop from ossification centersy Pale rounded bony prominences
Hyperostoses
y Appositional growth of the bony EACusually induced by periosteal irritation eg.
Frequent contact with cold water
Malformations oftheauricle
Auricular dysplasia
y GRADE I structural subunits of the auricleare present .But, malformed. (macrotia,
prominent ears). Simple or even no
correction necessary.
y GRADE II- auricle is small, severelymisshapen and lacks sub units. Anomaly of
the EAC often present. Meticulous
corrective surgery.
y GRADE III normal auricular structures areabsent and EAC is almost always atretic.
Audiologic testing, bone conduction hearing
aids, reconstruction.
MIDDLE EAR PATHOLOGY
y Infection: Otitis mediay Middle ear effusion
y Tympanic membrane sclerosisy Traumatic TM perforations
Otitis media
Based largely on 2 functional disturbances
y Impaired middle ear ventilationo Eustachian tube dysfunctiono mucosal swellingo negative middle ear pressureo obstructiono deficient openingo special anatomy in
children/cleftpatients (children
have short, flat Eustachian tubes, in
contrast to adults, who have long
and angled at 45r Eustachian tubes)
y Middle ear inflammationo U.R.T.I. adenoiditiso allergy, acid reflux.o
viral/bacterial middle ear infection
The above is a very busy slide, but, he wants us toremember:
y any Eustachian tube dysfunction thatcauses
o impaired middle ear ventilationo negative middle ear pressureo edema and mucosal inflammation
y arecausedbyo palatal deformityo muscular dysfunctiono ciliary dysfunction
HISTORY
y There are no specific complaints for middleear dis.
y Otalgia, discharge, pressure or hearing lossare non specific.
y Hx of chronic inflammatory ear diseaseusually signify otitis media.
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y Can lead to scarring and poor middle earventilation (ET)
y Ask for Hx of TM perforation, trauma orprevious surgery.
EXAMINATION
Otoscopy
y mainstay of middle ear diseaseinvestigation
Function tests: TM mobility
y passive mobilityo pneumaticotoscopy
y active mobilityo movement of the post. Superior
quadrant in reaponse to introduced
air pressure.
o Valsalva, Toynbee. (do notuse in acute inflammation of the
M.E. and N.P.)
TUNING FORK TESTS
y The goal of tuning fork tests is to diff. bet.Conductive and Sensorineural hearing loss.
(hearing loss is not detected directly with
tuning forks) using 512 - 800 Hz forks.
Weber test
y strike the tuning fork, and place on patientsforehead
y NORMAL sound is perceived equally inboth ears.
y S.N.H.L. sound lateralizes to the betterear.
y C.H.L. sound lateralizes to the poorerear.
Rinnes test
y Compares air and bone conduction in thesame ear.
y strike the tuning fork and place the base onthe patients mastoid.
y when patient stops hearing the tune, placeit 1cm from patients ear with the forkfacing the examiner.
y POSITIVE RINNE air conducted sound isperceived louder and longer duration.
(normal)
y NEGATIVE RINNE sound is perceivedlouder and of longer duration at the
mastoid than at the ear canal. (conductive
hearing loss)
OTITISMEDIA
Otitis mediawitheffusion
y One of the most common disorder in preschool children.
y Eustachian tube dysfunction leads tonegative pressure in the middle ear and
effusion. (sniffing)
y Major symptom is hearing loss.y Diagnosis: otoscopyy Decongestants, topical steroids, antibioticsy Persistence of 3wks. nasal endoscopy to r/o
tumor (adults)
y myringotomy
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Acuteotitis media
y Generally caused by ascending infection tothe middle ear via the eustachian tube.
y Streptococci.,H. influenzae, B. catarrhalis,respiratory viruses.
y Adenoids- nidus for infection.y Severe ear pain, fever, ear discharge,
irritability (vomiting, diarrhea in infants)
y Spontaneous TM perforation may occury NSAIDs, decongestants (
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y T.M. has a strong capacity for self healing.Most heal by themselves. Keep ears dry.
y Surgery for more complicated cases.
SENSORINEURAL HEARING LOSS
y Noise induced hearing lossy Labyrinthitisy Ototoxicityy Sudden SNHLy Presbycusisdue to aging
Noiseinducedhearingloss
y Excessive noise exposure can cause directmechanical trauma and metabolic injury to
the cochlea.
y The nature and extent of damage dependon the acoustic energy and duration of
noise exposure.
y if noise level is 140dBof short duration.
y Blast injury presence of a ruptured TMy Acute noise induced hearing lossy Often reversible concert, impact noise,
power tools, engine noise
y Chronic noise induced hearing lossy Irreversible cochlear hearing loss. Severity
depends on noise level, exposure time and
individual factors.
* tinnitus
Diagnosis
y NO KNOWN TREATMENTy Prevention is paramounty Primary reduce noise
y 2ndary protection, transfer, screeningy 02, steroids, improve microcirculation and
metabolic conditions in acute exposure
Labyrynthitis
y Infectious, inflammatory process affectingthe labyrinth and its surroundings.
y Tympanogenic from the middle ear to theround or oval window.( toxic, suppurative,
chronic)
y Meningeal infection from intracranialsource (Strep.)
y Hematogenous mumps, measles, HIV,CMV, syphilis
y Cochlear hearing loss, tinnitus, vestibularsymptoms.
y Rule out fistulay Myringotomy for decompresssion, culturey Mastoidectomyy High dose antibiotics that can cross the
B.B.B.
y Steroids try to avoid unless absolutelynecessary
y Damage can affect cochlear and vestibularfunctions
y Can be reversible or otherwisey Symmetricaly Hearing loss, tinnitus, disequilibrium
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y Affect hair cells, striavascularis (providesnutrients to the organ of Corti)
y can be reversible, if drug is stopped on timeSuddenSensorineuralHearing Loss
y Immediate unilateral hearing loss ofsensorineural origin that has no apparent
external cause.
y Idiopathic believed to be of viral, vascularor auto immune cause. Symptoms occur in
seconds to hours.
y Hearing loss is variable in frequencies anddegree, from mild loss to sudden deafness.
y Otoscopy is normaly Weber is to the better eary REFER TO AN ENT ASAPy Steroids, oxygenation NO PROVEN
THERAPY IS EFFECTIVE
y 50% spontaneously resolvey herpes zoster oticusy psychogenic (e.g. shell shock)
y normal hearing should not go beyond 25 dBPresbycusis
y Age related apparently idiopathic andsymmetrical S.N.H.L that affects persons 50
y/o and above.
y High frequencies more affected.y Speech recognition is impaired, tinnitus,
hearing loss
y Aging, genetics, cummulative exposure toexogenous sources.
y Progressive and no specific medical norsurgical treatment. But, hearing aids.
y men are more affected with presbycusis
y A is normal: the bone conduction and airconduction have no gap, at the same
intensity
y B has conductive hearing loss: the bone andair conduction has a gap of more than 10
intensity. Also, the air conduction is at ahigh intensity, while bone conduction is
normal
y C has sensorineural hearing loss: the boneconduction and air conduction have no gap,
but as the frequency increases, both
decrease in intensity
y D has mixed hearing loss: the boneconduction and air conduction has a gap of
more than 10 dB, and both decrease in
intensity as the frequency increases
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LABYRYNTHINE ANATOMY
Note structures:
y semicircular canalsy utricley
sacculey ampullay endolymphatic sacy cochlea
Innerearcirculation
y The different parts of the inner ear aresupplied with blood through the internal
auditory artery (that forms 3 branches in
the inner ear) which originates from the
basilararteryin the base of the skull.
y three branches:o Cochlear artery supplies blood to
most of the cochlea.
o Vestibular artery supplies thesemicircular canals and part of the
vestibule.
o Cochleo-vestibular artery suppliesthe remainder of the inner ear.
Utricle, sacculeand semicircularcanals
Utricleand saccule
y horizontal (forward/back) and vertical(up/down), respectively
y linear acceleration (up and down, forwardand backward)
Semicircularcanals
y angular acceleration (tilting, rotation)
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Motion sensing
deflection and reflection of the haircells move the
otholiths toward (stimulatory) and away (inhibitory)
from the kinocilium, relaying information on which
direction the body is moving.
VESTIBULAR SYSTEM
Fivecomponents (VERY IMPORTANT!)
1. PERIPHERAL RECEPTOR APPARATUSresides in the inner ear and is responsible
for transducing head motion and position
into neural information.
2. CENTRAL VESTIBULAR NUCLEI comprise
a set of neurons in the brainstem that are
responsible for receiving, integrating, and
distributing information that controls motor
activities such as eye and head movements,
postural reflexes, and gravity-dependent
autonomic reflexes and spatial orientation.
3. VESTIBULO-O
CULAR NETWO
RK arisesfrom the vestibular nuclei and is involved in
the control of eye movements.
4. VESTIBULOSPINAL NETWORK
coordinates head movements, axial
musculature, and postural reflexes.
5. VESTIBULO-THALAMO-CORTICAL
NETWORK is responsible for the conscious
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perception of movement and spatial
orientation
Vestibularfunction
y Vestibulo-Ocular Reflexo Fixation of visual horizon for spatial
orientation during rapid head
movements. Allows a fixated object
to stay within the visual fieldo Stimuli for the VOR mainly from SCC
-This is how one fixates an object on the visual field
in a lighted area. In a dark room, one cannot move
his head because there is no visual reference.
-When one walks in the dark, even if it is a clear
room, the balance system is impaired and switches
to a different mode.
y Vestibulospinal Reflexo Maintenance of posture and
equilibrium. Relies mainly on
interaction with the proprioceptive
and motor systems
This illustrates the various connections of the
vestibular nuclei
y armsy trunky spinal cordy eary eyesy cerebellumy brain [sic]
CLINICAL PRESENTATION OF VESTIBULAR
DISORDERS
y DIZZINESS may mean any non painfuldiscomfort related to the head. (cerebral,
visual, vestibular etc.)
y VERT
IGO hallucination of movement ofthe patient or his environment.
y UNSTEADINESS loss of equilibrium inrelation to ones environment.
y LIGHTHEADEDNESS loss of equilibriumwithin ones head. (poorly described by
patient)
APPROACH TO A DIZZY PATIENT
y Medical historyy Physical examinationy Basic laboratory examy Physiologic diagnostic toolsy Radiologic diagnostic tools
Patient evaluation
y historyo 1.ONSETo 2.DURATIONo 3.SEVERITY
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o 4.AGGRAVATING FACTORSo 5.RELIEVING FACTORSo include:
past illness family allergy medication dietary smoking, etc.
y complete ear, nose throat and neurologicexam
y include:o observation for nystagmus
any rhythmical eyemovement either
spontaneous, provoked or
induced. May be
physiologic or pathologic.
Clinicalexamination
y Spinal motor function and coordinationo Standard vestibular test battery:
Rombergs test. Unterberger test. Finger to nose test.
y Oculomotor testingo Ocular motilityo Smooth pursuito Screening for oscillopsia
y Nystagmus testingo Any rhythmical eye movement
either spontaneous, provoked or
induced. May be physiologic or
pathologic
Physicalexam
y Systemic (e.g. diabetes, hypertension)y Psychiatric (e.g. hysteria)y Otologic (e.g. discharge, tumor)y Ophthalmologic (e.g. blurring of vision,
diability to fixate, glaucoma)
y Neurologic (e.g. cerebrovascular problem,tumor)
Nystagmus
y fast componento determines directiono the reticular formation corrects the
slow phase to return eyes to the
last field of gaze.
y slow componento is the direction of the flow of
endolympho vestibular in origin.
Classification
y SPONTANEOUS NYSTAGMUS present w/opositional or other labyrinthine stimulation.
y POSITIONAL NYSTAGMUS elicited byassuming a specific position as during
positional testing. (Dix-Hallpike test)
y INDUCED NYSTAGMUS elicited bystimulation. (ex. Caloric)
y GAZE evoked nystagmus - always atdirection of gaze.
Dix-HallpikeManeuver
y diagnostic test for benign paroxysmalpositional vertigo
y frenzeled glasses highly magnifies theocular movement
y patient is asked to lie down and tilt thehead, check nystagmus
y 10-15% nystagmus is central (from thebrain), 85% peripheral
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Central Nystagmus
y No Latencyy Lasts > 1 minutey Repeatabley Present in Multiple Head Positionsy Occassionally Absenty Multidirectional / Bizarrey 10 - 15 % of Vertigo Cases
Peripheral Nystagmus
y 5 - 15 Second Latencyy Disappears within 90 Secondsy Present in only 1 Head Positiony Chronically Presenty Unidirectionaly 85 % of Vertigo Cases
VERTIGO/DIZZINESS
y Most common symptoms of vestibulardysfunction
y Subjective disturbance of integrity causedby contradictory sensory information
processing.
Peripheralvertigo
y Function of a sensory system is impairedy outside the brain
Centralvertigo
y Central processing is impaired
y within the brain
y if vertigo is rotatory, with motioncomponents with otologic components,
cause is otologic
y if no otologic symptoms, it is vestibulary if vertigo is with obtundation,
lightheadedness, giddiness, nonsystematic
dizziness with no motion component, with
neurologic symptoms (e.g. dysarthria,
diplopia) with impaired consciousness,
cause is neurologic
y if without neurologic symptoms, it is amedical problem (e.g. diabetes,
hypertension, electrolyte imbalance)
y if vertigo lasts secondso during head movements, it is
peripheral vestibular disorder
o at rest, it is central vestibulardisorder or psychogenic
y minutes
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y principle: calcium crystals are floating in theposterior semicircular canal
y just like in a snow globe, crystals fall on thehair cells, giving a sensation of movement in
the absence of it (benign vertigo)
y theEpley maneuver repositions thecrystalsthe various twists makes them
exit the posterior semicircular canals
Menieres disease
y Triad of vertigo, tinnitus and fluctuatinghearingloss. * ear fullness.
y Most cases idiopathicy Endolymphatic cochlear hydrops
o Lermoyez phenomenono Tumarkin crisis
y Low frequency hearing loss audiometryy Bed rest, anti emetics, anti vertigo meds.
Differentialbasis ofvertigo
the cause of this patients dizziness is vascular, in
figure B, there is damage on the basilar artery
patient has acoustic neuroma (tumor of the
vestibulocochlear nerve at the cerebello-pontine
angle) this will manifest as hearing loss, dizziness
and disequilibrium
APPROACHTOMANAGEMENT VERTIGO
y Symptomatic reliefy Eliminate the underlying causey Rehabilitation
TINNITUS
y Represents perception of sound withoutexternal stimulus
y Auditory sensation that occurs in theabsence of an external stimuli or electrical
stimuli and has no subjective information
content.
y Mostly caused by disturbance of peripheralsensorineural structures.
y Noise exposure, cranial trauma, COM,family history, ototoxic drugs.
y Normal otoscopyClassification
y Subjective tinnitus perceived by thepatient only.
o Conductiveo Sensorineuralo Central
y Objective tinnitus examiner is able toperceive the tinnitus.
o Vascularo Myogenic
y Pulsatile tinnitus coincident with thepulse.
o Arterial etiologies: 1.AVFs/AVMs 2.Glomus tumors 3.Carotid stenosis 4.Atherosclerosis 5.Persistent stapedial artery 6.Intratympanic carotid
artery
7.Increased cardiac output pregnancy, thyrotoxicosis
o Venous etiologies: 1.Venous hum 2.Pseudotumor cerebri 3.Jugular bulb anomalies
o Non-vascular etiologies 1.Palatal myoclonus 2.Stapedial myoclonus 3.Vascular neoplasms of
skull base/temporal boney Non-pulsatile tinnitus
o typically subjective.o Most common form of tinnituso Most associated with hearing losso examples:
Menieres disease ototoxicity noise exposure
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Diagnosis
1.History:
y Describe soundy Durationy Other otologic symptoms (hearing loss,
vertigo, otalgia, otorrhea)
y Severityy Precipitating factors (noise, ototoxic drugs,
trauma, infection etc.)
2. PE:
y Full head and neck examy Neuro-otologic examy Auscultation of ear canal, peri-auricular
area, orbits, neck bruits.
y Palatal or TM rhythmic contractions.y additional tests:
o audiometryo USo CTo MRI/MRA/MRVo angiography
Management
y Treatment designed to eliminate tinnitus.(anatomic or systemic causes) ex. Surgery.
y Treatment designed to reduce the severityof tinnitus. (insult to inner ear) ex. Acoustic
therapy, lifestyle change.
____________END OF TRANSCRIPTION__________
HI to reych, arabels, ana, quennie, eloh, jez,
gemHappy studying!
IMY
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