Dix-Hallpike test


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Dix-Hallpike test

[hôl′pīk]
a method for evaluating the function of the vestibule of the ear in patients with vertigo or hearing loss. The patient's position is quickly changed from sitting to lying down with the neck hyperextended, and then returned to sitting. Nystagmus can then be evaluated, and specific disorders of the vestibule may be diagnosed. See also caloric test, electronystagmography, nystagmus.
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The Dix-Hallpike test and roll test were negative as was head-shaking test.
Dix-Hallpike test was performed, and left horizontal rotatory nystagmus with a 2- to 3-s latency lasting for nearly 20 s was observed.
Patients of both genders with age between 30 to 70 years with no hearing loss and diagnosed as having benign paroxysmal positional vertigo diagnosed by Dix-Hallpike test were included in this study.
Once the offending labyrinth is identified on Dix-Hallpike test, PC-BPPV is treated using particle repositioning manoeuvre--that is Epley's manoeuvre.
A negative Dix-Hallpike test may indicate acute labyrinthitis if the condition is acute, or other conditions, such as age-related vestibular loss, diabetes, or sleep apnea.
The Dix-Hallpike test should be performed on all dizzy patients, whether symptomatic or not.
A primary diagnosis of BPPV was made due to the positioning nature of PB's 'wobble' symptoms, the brief latency of these symptoms and the positive Dix-Hallpike test demonstrating a positional upbeat clockwise torsional nystagmus.
The criterion for a vestibular anomaly is either an abnormal result on the Dix-Hallpike test or an abnormal result on at least two of the other three tests (rotational chair test, posturography, or ENG/VNG).
A diagnosis of BPPV is made through an accurate history, nonfocal neurologic examination, and a positive Dix-Hallpike test.
In the two groups of elderly, 29 out of 62 patients were found to be positive on Dix-Hallpike test.
An RCT that enrolled 80 participants (median age 64 years) found complete resolution of BPPV symptoms and a negative Dix-Hallpike test 1 week after treatment in 88% of patients who received Epley's CRM plus self-treatment (a modified Epley's maneuver) compared with 69% who received Epley's CRM alone (P=-.