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