Vertebral artery test

The Vertebral Artery Test or Wallenberg Test is a physical exam for vertebral artery insufficiency.

Commonly, the VA test involves cervical spine motion to an end-range position of rotation, extension or a combination of both. At this point, the physician assesses for vertebrobasilar insufficiency (VBI) symptoms. If the patient has VBI symptoms during the test, it is considered a positive result and a contraindication for cervical manipulation.[1]

The specifics of VA testing vary among authors.[1]

The test is positive if the patient complains of dizziness, visual changes, or nystagmus occurs.

References

Richter, RR; Reinking, MF (June 2005). "Evidence in practice. How does evidence on the diagnostic accuracy of the vertebral artery test influence teaching of the test in a professional physical therapist education program?". Physical Therapy. 85 (6): 589–99. PMID 15921479. Retrieved 29 November 2013.

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[RichterReinkling-1] Richter, RR; Reinking, MF (June 2005). "Evidence in practice. How does evidence on the diagnostic accuracy of the vertebral artery test influence teaching of the test in a professional physical therapist education program?". Physical Therapy. 85 (6): 589–99. PMID 15921479. Retrieved 29 November 2013.