复位
方法
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见图:刚才看到的Epley复位法:Figure3.BedsideManeuverforthetreatmentofaPatientwithBenignParoxysmalPositionalVertigoAffectingtheRightEar.Thepresumedpositionofthedebriswithinthelabyrinthduringthemaneuverisshownineachpanel.Themaneucerisathree-stepprocedure.First,aDix-Hallpiketestisperformedwiththepatient'sheadrotated45degresstowardtherightearandtheneckslightlyextendedwiththechinpointedslightlyupward.Thispositionresultsinthepatients'sheadhangingtotheright(PanelA).OncethevertigoandnystagmusprovokedbytheDix-Hallpiketestcease,thepatient'sheadisrotatedabouttherostal-caudalbodyaxisuntiltheleftearisdown(Panel.