Dix-Hallpike Maneuver for BPPV Diagnosis

Introduction to the Dix-Hallpike Maneuver

The American Academy of Otolaryngology-Head and Neck Surgery recommends the Dix-Hallpike maneuver as the gold standard diagnostic test for posterior canal BPPV in older adults with vertigo, and it should be performed bilaterally at the initial visit 1, 2

The Dix-Hallpike maneuver requires moving the patient through specific head positions to provoke characteristic nystagmus, starting with the patient sitting upright on an examination table with their head rotated 45° toward the side being tested 2, 3
The patient is then quickly laid back to a supine position with their head hanging 20° below horizontal, maintaining the 45° rotation, and this position is held for 20-60 seconds while watching for torsional upbeating nystagmus and asking about vertigo 2, 4
The latency for nystagmus to appear is typically 5-20 seconds, and the duration of nystagmus and vertigo should resolve within 60 seconds of onset 4
Bilateral testing is required to determine which ear is affected, by repeating the entire maneuver on the opposite side 2, 3

The Dix-Hallpike maneuver has a sensitivity of 82% and specificity of 71% among specialty clinicians, with a positive predictive value of 83% but a negative predictive value of only 52% in primary care settings 2, 3
A negative test does not rule out BPPV, and the maneuver should be repeated at the same visit or a subsequent visit to avoid false negatives 3

Patients with significant vascular disease, severe cervical stenosis, kyphoscoliosis, or limited cervical range of motion should be exercised with caution or alternative testing should be used 2, 3
Patients with severe rheumatoid arthritis, cervical radiculopathies, or ankylosing spondylitis should also be exercised with caution or alternative testing should be used 2, 3
Morbidly obese patients may require additional assistance or specialized tilting tables 2, 3
Patients with Down syndrome, Paget's disease, or spinal cord injuries should be considered for alternative diagnostic maneuvers or referral to specialized vestibular testing 2, 3

The Dix-Hallpike maneuver should not be repeated multiple times to demonstrate fatigability, as this may interfere with immediate treatment 2
Imaging or vestibular testing should not be ordered in patients who meet diagnostic criteria for BPPV unless there are atypical neurological signs or symptoms unrelated to BPPV 1, 5