Psychogenic deafness
- Sudden deafness or unexplained fluctuation, related to emotional stress.
- Marked disparity between PTA & speech audiometry.
- Improve by psychotherapy.
Sudden SNHL:
It is an important entity, where the patient has sudden, unilateral or bilateral, partial or complete SNHL, it is either viral or vascular in origin, treated by systemic steroids, it is crucial to start treatment early to save the hearing, intratymoanic steroid injection is done if systemic steroids are contraindicated, vaso dilators and hyperbaric oxygen are also tried in an attempt to prevent permanent disabling SNHL.