Posterior Semi circular canal (SCC) BPPV: Most common variety. BPPV is the most common cause of vertigo constituting 20-40% of all patient with peripheral vestibular disease. Mean age of on
Congenital causes: Longer-segment congenital tracheal stenosis is generally due to complete tracheal rings which are fused posteriorly and may be fused together to form a cartilage plate. (stove-pipe trachea or
A. History Medical history: Case of deafness the status of cochlea The extent of spiral ganglion survival Viability of auditory nerves and CNS pathway Abnormalities like otic capsule, IAC, intralabyrinthine