Do you need the caloric VNG to diagnose VM?

This is not medical advice.
This advice is not meant to be a substitute for advice from a medical professional regarding diagnosis, prognosis, or treatment. Always seek advice from your physician, physical therapist, or other qualified healthcare provider with questions you may have regarding a healthcare condition. The information of this video, including but not limited to text, graphics, videos, images, and other materials are for informational purposes only. Reliance on the information on this video is solely at your own risk.