SUDDEN SNHL
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defined as
Sensorineural hearing loss of 30dB or greater
may have
associated with
Dizziness
Tinnitus
Aural fullness
treated by
Corticosteroids
given orally
inject through the eardrum
Oral steroids
Intratympanic steroids
prevented by
Avoiding very loud noise
Avoiding head and neck trauma
Avoiding drugs or medicines that have side effects
Seeking treatment for
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Vascular disease
Neural disease
assessed by
History taking
to identify
Possible etiology
ABR/ MRI/ ASR
PTA
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caused by
Neoplastic
Otologic
Vascular or Hematologic
such as
Emboli
Sickle cell anemia
Transient ischemic attacks
Autoimmune diseases
such as
Systemic Lupus Erythematosis
Cogan’s syndrome
Infectious
such as
Toxoplasmosis
Traumatic
poorer prognosis
if
Age > 60 years old
HL > 3 months
Flat or sloping hearing loss
Vertigo
such as
Inner ear concussion
Temporal bone fracture
such as
Vestibular Schwanomma
happens in
5-20 per 100,000 people per year
showed
To rule out
such as
Meniere Disease
Otosclerosis
Meningitis
Syphilis
Mumps
may cause
may cause
may cause
may cause
At least three contiguous audiometric frequencies
Within a 72-hr period
Retrocochlear pathology
Ototoxic drugs
Functional
Malingering