XXXX during attacks of vestibular @entity2704 : an aid in diagnosis.

@entity1 @entity390 @entity2704 @entity10 @entity346
INTRODUCTION: An estimated one-fourth to one-third of @entity1 with @entity2704 will experience vertigo associated with their @entity2704 attacks. Vestibular @entity2704 frequently presents as a diagnostic challenge as objective neurological findings consistent with this entity have not been well described. OBJECTIVE: The aim of this study is to characterize eye movements of @entity1 presenting with @entity346 during attacks of @entity2704 . DESIGN: A retrospective study of 26 @entity1 presenting with @entity346 during an acute vestibular @entity2704 was performed. All @entity1 were examined while symptomatic during a @entity2704 spell, and also while asymptomatic. All @entity1 underwent tests of vestibular function with either bithermal water caloric or rotary chair electronystagmography. RESULTS: The most common @entity1 was a female of perimenopausal age. Spontaneous @entity346 was seen in 19% of @entity1 and @entity346 provoked by horizontal headshaking was seen in 35%. @entity346 could be provoked with positional testing in 100% of symptomatic @entity1 with fixation blocked. The positional @entity346 most commonly was sustained, of low velocity, and could be horizontal, vertical or torsional. Bithermal water caloric or rotary chair tests obtained during symptom-free intervals were normal in all @entity1 . CONCLUSIONS: Although @entity346 characteristics are quite variable during vestibular @entity2704 , the finding on examination of low-velocity, sustained @entity346 with positional testing in a young to middle-aged adult @entity1 presenting with vertigo, @entity390 and @entity10 is highly suggestive of vestibular @entity2704 as long as the @entity346 dissipates when the @entity1 is free of symptoms.
