17.良性陣發性姿勢性眩暈(benign paroxysmal positional vertigo, BPPV)是橢圓囊或球囊中的耳石(otolith)脫落,掉入半規管
中,耳石脫落最常見是掉入:
(A)側半規管(lateral semicircular canal)
(B)後半規管(posterior semicircular canal)
(C)上半規管(superior semicircular canal)
(D)水平半規管(horizontal semicircular canal)
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統計: A(27), B(133), C(4), D(21), E(0) #1528408
統計: A(27), B(133), C(4), D(21), E(0) #1528408