aural blast injury acoustic trauma and hearing loss

Question 1

T/F patients exposed to hazardous noise are only at risk for aural trauma

Answer 1

false

Question 2

The symptoms of acoustic trauma are:

Answer 2

hearing loss, tinnitus, vertigo, difficulty locating sounds, difficulty hearing in loud environments, aural fullness, recruitment (ear pain with loud noises)

Question 3

acoustic drama may result in sensorineural hearing loss that is either ____ or _____

Answer 3

temporary, permenant

Question 4

the ear, specifically the _____ is the most sensitive organ to primary blast injury

Answer 4

tympanic membrane

Question 5

T/F the small the size of the tympanic membrane perforation, the greater the likelihood is of spontaneous closure

Answer 5

true

Question 6

The majority of TM perforations that close spontaneously do so within the first ____weeks after injury.

Answer 6

8

Question 7

Acute management of intratemporal facial nerve injury is to provide objective documentation of facial movement using the __________ grading scale.

Answer 7

house-brackmann

Question 8

T/F for significant facial pareses/paralyses, early admin of steroids must always be provided regardless of contraindications

Answer 8

false

Question 9

All Service Members that develop symptoms consistent with noise trauma (acute tinnitus, muffled hearing, fullness in the ear) should

Answer 9

be educated and directed to self-report for evaluation and possible treatment as soon as practicable.

Question 10

If there is debris in the External Auditory Canal (EAC) or in the middle ear (as seen through a TM perforation), treat the patient with a

Answer 10

fluoroquinolone and steroid containing topical antibiotic. Do NOT irrigate the ear

Question 11

Hearing loss that persists ____ hours after acoustic trauma warrants a hearing test or audiogram.

Answer 11

72

Question 12

T/F Vestibular trauma to the inner ear may manifest in vertigo.

Answer 12

true

Question 13

All patients with subjective hearing loss and tinnitus following blast exposure should

Answer 13

have the exposure documented, and should be evaluated by hearing testing as soon as possible.

Question 14

Patients with TTS greater than ___ dB losses in three consecutive frequencies should be considered candidates for high dose oral and/or transtympanic steroid injections when not otherwise contraindicated.

Answer 14

25