https://www.vetsurgeon.org/f/clinical-questions/29584/head-nodding-ckcs-video 10 year old, has been doing this for 4 years, more so recently. 4 years ago approx had signs that were possibly suggestive of vestibular problem and on otoscopy appearance of bulging TM consistent with PSOM whether relevant or not to the presentationen-USTelligent Community 10