16066236
Descripción
Mapa Mental por Fatima Alkhateeb, actualizado hace más de 1 año
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Creado por Fatima Alkhateeb
hace más de 5 años
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Hard hearing
- Anatomy
- Tympanic membrane
- Middle ear
- Tympanic membrane
- Hearing
pathway
- Hair cells of
the organ of
Corti
- Bipolar cells of the
spiral (cochlear)
ganglion
- Cochlear nerve (CN VIII)
- Cochlear nuclei
- Trapezoid body
- Superior olivary
nucleus
- Lateral lemniscus
- Nucleus of the inferior colliculus
- Medial geniculate body
- Auditory radiation
- Transverse temporal gyri of Heschl
- Transverse temporal gyri of Heschl
- Auditory radiation
- Medial geniculate body
- Nucleus of the inferior colliculus
- Lateral lemniscus
- Superior olivary
nucleus
- Trapezoid body
- Cochlear nuclei
- Cochlear nerve (CN VIII)
- Bipolar cells of the
spiral (cochlear)
ganglion
- Hair cells of
the organ of
Corti
- Physiology of hearing
- Sound collected
through external ear
- Sound travels through ear canal
- Vibrates eardrum
- Vibrates ossicles
- Sound ripples hair cells
- Auditory nerve conducts
impulse to brain
- Auditory nerve conducts
impulse to brain
- Sound ripples hair cells
- Vibrates ossicles
- Vibrates eardrum
- Sound travels through ear canal
- Impedance matching
- Sound waves converted into
pressure waves in fluid
- acoustic impedance of fluid is
much greater than that of air
- combination of the tympanic
membrane and ossicles act as an
impedance matching device in order to
transfer the same frequency as the
original sound waves
- Done via 2 mechanisms
- Increased force of
movement of stapes
- The surface area of TM
- The surface area of TM
- Increased force of
movement of stapes
- Done via 2 mechanisms
- combination of the tympanic
membrane and ossicles act as an
impedance matching device in order to
transfer the same frequency as the
original sound waves
- acoustic impedance of fluid is
much greater than that of air
- Sound waves converted into
pressure waves in fluid
- Sound collected
through external ear
- Causes of ear discharge
- Ear infections
- Foreign body impaction
- Mastoiditis
- Mastoiditis
- Foreign body impaction
- Ear examination
- Otoscope
- Tuning fork
- Audiometry
- Rinne's test
- Conductive hearing loss
- Conductive hearing loss
- Weber's test
- Sensorineural hearing loss
- Sensorineural hearing loss
- Audiometry
- Tuning fork
- Otoscope
- Ear infections
- Otits media
- Symptoms
- Ear pain
- Vertigo
- Tinnitus
- Spinning sensation even
though the body is
stationary with respect to
the surrounding.
- Tinnitus
- Wax
buildup
- Sore throat
- Foreign object
- Vertigo
- Ear pain
- infection of the middle ear
- Complications
- Cholesteatoma
- destructive and expanding
growth consisting of
keratinizing squamous
epithelium in the middle ear
and/or mastoid process
- Aural polyp
- growth in the outside (external)
ear canal or middle ear. It may
be attached to the eardrum
(tympanic membrane), or it may
grow from the middle ear space.
- growth in the outside (external)
ear canal or middle ear. It may
be attached to the eardrum
(tympanic membrane), or it may
grow from the middle ear space.
- destructive and expanding
growth consisting of
keratinizing squamous
epithelium in the middle ear
and/or mastoid process
- Cholesteatoma
- Management
- Ibuprofen or acetaminophen
- Antibiotics
- Amoxicillin
- Ceftriaxone
- Ceftriaxone
- Amoxicillin
- Ibuprofen or acetaminophen
- Symptoms
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