CH 43 Ear Flashcards
Otologist
treat diseases and disorders of the ears
Disorders that affect the ear’s external parts
cerumen impaction, otitis externa, and pruritus
Occurs when the ear canal becomes blocked by a buildup of cerumen
Cerumen Impaction
Is an infection of the outer ear, usually caused by bacteria or fungi
Otitis externa
A common problem in older adults because the sebaceous glands produce less wax with aging, the ear becomes dry and itchy
Pruritus
Middle ear disorders involve
the eardrum and the chamber
Is a inflammation of the middle ear characterized by fluid buildup, most commonly referred to as an ear infection.
Otitis media
Occurs when bone tissue grow abnormally around stapes or stirrup
Otosclerosis
What are some symptoms of otosclerosis?
loss of hearing and tinnitus
What is tinnitus?
ringing in the ears
How the eardrum may be ruptured?
Sharp object, explosion, a blow to the ear, or a severe middle ear infection
What symptoms occurs in the rupture of the ear?
pain, partial hearing lost, and a slight discharge or bleeding
How long takes the symptoms and how long take to heal the rupture of the ear?
Symptoms only last only a few hours.
To heal 1 to 2 weeks
Is an infection of the labyrinth most commonly caused by a virus
Labyrinthitis
Is caused by increased fluid in the labyrinth and the pressure of the fluid disturbs the sense of balance and even may rupture the labyrinth wall or damage cochlea
Meniere’s diseases
Is a type of sensorineural hearing loss it is the most common form of hearing loss in older adults
Presbycusis
What is the most common causes of tinnitus?
hearing receptors from noise or toxins, age related changed in the ears organs, and long term of use of NSAIDs
What are the two types of hearing loss:
conductive and sensorineural
Is caused by an interruption in the transmission of sound waves to the inner ear and also include obstruction of the ear canal, infection of the middle ear or otosclerosis
Conductive hearing loss
Occurs when there is damage to the inner ear to the nerve that leads from the ear to the brain or to the brain itself.
Sensorineural hearing loss
Prolonged exposure to loud noises is know as
Noise pollution
It is estimated that one third of patient between the ages of 65 and 74 and one half of those between the age of 75 and 79 suffer from some
loss of hearing
Weber test and the Rinne involve the use
use of tunning forks
What is the purpose of the Rinne test?
Measures the amount of time the patient can hear the sound from a tunning fork placed near the mastoid bonne
Is an electronic devices that measures hearing acuity by producing sounds in specific frequencies and intensities
Audiometer
Is the number of complete fluctuations waves of energy that pass a specific point in 1 second
Frequency
Units for measuring the relative intensity loudness of sounds on a scale from 0 to 130
Decibels
Test called ______ measures the eardrums ability
tympanometry
Why is important to warm the eardrops before administration?
To avoid making the patient dizzy
What consist hearing aids consists of
-A tiny microphone
- An amplifier
- A tiny speaker
A specialist who focuses on evaluating and correcting hearing problems
Audiologist
How long last the batteries?
2 weeks
A person who is profoundly deaf and cannot benefit from using a hearing aid may be a candidate for a
cochlear implant
What do the cochlear implant?
electronic device that stimulates the auditory nerve
What ability give the patient while using a cochlear implant?
to detect warning signals such as smoke alarms and recognize speech patterns so that they can be better understood.
