How do you evaluate and diagnose patients with persistent postural-perceptual dizziness?  

There are certain criteria. https://pubmed.ncbi.nlm.nih.gov/29036855/. There is an identifiable event that is usually disorienting. This can be a vestibular event (vestibulitis, BPPV, vestibular migraine attack), mechanical fall, panic attack, among other events. There is significant head motion sen...