HENT Exam Flashcards
Conductive hearing loss
problem in external or middle ear, disruption of sound waves
Sensorinueral hearing loss
problem in inner ear, cochlear nerve, or connection in brain
Tinnitus, vertigo, rhinorrhea, epistaxis, goiter, hirsutism
ringing, spinning, drainage from nose, bleeding from nose, enlarged thyroid, excessive facial hair
Parts of external ear
Auricle, ear canal, helix, antihelix, lobule, tragus
Ear chondritis
Inflammation, very tender
Otitis externa
inflammation of outer ear and ear canal, drainage
Parts of middle ear
Pars flaccida, light reflex, manubrium, umbo (part holding on to eardurm), pars tensa, malleus may be visible
Parts of internal ear
Cochlea, eustachian tube, semicircular canal, stapes, incus, malleus, tympanic membrane
Pathways of hearing
sound vibration, ear drum, ossicles of middle ear, cochlea, cochlear nerve, brain
Conductive phase
When the sound travels from the external ear through the middle ear
Sensorineural phase
When sound travels from cochlea via cochlear nerve to the brain
Acute otitis media
inflammed, infected, bulging, no light reflex
Serous middle ear effusion
Bubble present, light reflex present, associated with allergies
Turbinates
Shelf-like projections from the lateral wall of the nose and are curved bony structures covered by mucous membranes, inferior, middle, superior
Sinuses
air-filled and paired extensions of nasal cavities withing the bones of the skull, maxillary, ethmoid, frontal