Perilymph Fistula in Emergency Medicine Clinical Presentation
- Author: Nancy E Conroy, MD; Chief Editor: Rick Kulkarni, MD more...
History
History for perilymph fistula may include the following:
- Fluctuating sensorineural hearing loss that may be sudden or progressive
- Vestibular symptoms
- Vertigo, with or without head position changes
- Dysequilibrium
- Motion intolerance
- Nausea and vomiting
- Disorganization of memory and concentration
- Perceptual disorganization in complex surroundings such as crowds or traffic
- Tinnitus - May be roaring in nature
- Aural fullness
Physical
- Positive test results for vestibular dysfunction or hearing loss, while helpful, are not pathognomonic.
- Romberg (feet together) or tandem Romberg (heel-to-toe) test findings may be positive.
- Positional nystagmus and benign paroxysmal positional vertigo often are associated with traumatic perilymph fistula.
- Sensorineural hearing loss may be confirmed by audiograms.
Causes
- Prior stapes surgery
- Head trauma, including whiplash injuries
- Barotrauma
- Acoustic trauma
- Idiopathic or spontaneous, possibly related to episodes of valsalvae, nose blowing, or physical exertion (The existence of spontaneous perilymph fistula is still an area of controversy among otologists.)
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