2015 May 1.Ĭhang TP, Lin YW, Sung PY, Chuang HY, Chung HY, Liao WL. Diagnostic Role of Head-Bending and Lying-Down Tests in Lateral Canal Benign Paroxysmal Positional Vertigo. New dimensions of benign paroxysmal positional vertigo. Diagnosis and Treatment of Anterior-Canal Benign Paroxysmal Positional Vertigo: A Systematic Review. ![]() 2022 Jan.Īnagnostou E, Kouzi I, Spengos K. Minimize suppression by directing the patient gaze to the anticipated axis of rotation. In typical nystagmus, the axis is near the undermost canthus. From behind the patient, performing the maneuver is easier, since one can pull the outer canthus superolaterally to visualize the eyeball rotation. Tailor briskness of the Dix-Hallpike test to the individual patient.Ĭonsider the Epley modification. If no nystagmus is observed, the procedure is then repeated on the left side.ĭix-Hallpike maneuver tips include the following:ĭo not turn the head 90° since this can produce an illusion of bilateral involvement. After waiting approximately 20-30 seconds, the patient is returned to the sitting position. ![]() This test is performed by rapidly moving the patient from a sitting position to the supine position with the head turned 45° to the right. ![]() A negative test result is meaningless except to indicate that active canalithiasis is not present at that moment. The finding of classic rotatory nystagmus with latency and limited duration is considered pathognomonic. The Dix-Hallpike maneuver is the standard clinical test for BPPV.
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