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

There are certain criteria. Staab et al., PMID 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 sensitivity and v...