妳母親可能得的是一種罕見的Semicircular canal dehiscence syndrome。是一種因為
半規管裂開引起的症狀。
因為高音的壓力波會順著半規管破裂處波動入內耳，引起後序的頭暈等不適。
詳細的診斷需要電腦斷層或MRI ，因此到大醫院就診可能比較有幫助。
以下文章摘錄自Uptodate
Pathophysiology, etiology, and differential diagnosis of vertigo
Author
Joseph M Furman, MD, PhD
Section Editors
Michael J Aminoff, MD, DSc
Daniel G Deschler, MD, FACS
Semicircular canal dehiscence syndrome — In semicircular canal dehiscence
syndrome, the bone overlying the superior aspect of the superior semicircular
canal becomes thin or even absent, thereby allowing pressure to be
transmitted to the inner ear [18]. Vertigo is provoked by coughing, sneezing,
and Valsalva maneuver [18-21]. Patients may experience nausea and instability
during brief episodes of vertigo.
Loud sound may also induce vertigo in this condition (Tullio phenomenon), as
sound-induced pressure waves are abnormally distributed through the inner ear
[18,22,23]. This phenomenon can be tested through a click-evoked
vestibuloocular reflex, which is typically high magnitude and low threshold
in patients compared with controls [21,24,25]. Cochlear hypersensitivity is
another diagnostic indicator for this condition [26,27]. Some patients also
have hearing loss, with air-bone gaps on audiometry [28]. One case report
noted torsional pendular nystagmus that was synchonus with the palpated
pulse, and suppressed by Valsalva maneuver or lying supine [29].
This is a rare syndrome. A 2005 review revealed less than 100 reported cases
[28]. However, the condition may be underdiagnosed. The diagnosis can be
established with an MRI or high resolution CT of the temporal bone [30]. Some
patients benefit by surgical repair of their anatomical deficit [21].
※ 引述《catfish88868 (^^)》之銘言：
: ※ [本文轉錄自 Doctor-Info 看板]
: 會不舒服
: 甚至會頭腦暈眩
: 有人能跟我講一下大概是什麼問題嘛
: 我在搜尋打了
: 高音 暈眩 等相關字眼
: 都找不太到答案
: 麻煩了
: 謝謝<(0.0)> (鞠躬)
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