Results from inability to equalize middle ear pressure
Pain, fullness, vertigo, conductive hearing loss, TM rupture
Results from forceful valsalva against an occluded eustachian tube, or rapid descent in diving or aviation
Pressure difference between middle ear and inner ear can rupture oval or round window
Sudden onset of sensorineural hearing loss, tinnitus, severe vertigo
Must be lacking in any other neurologic signs (otherwise consider infarction)
Pressure difference between middle ear and inner ear can rupture oval or round window
Otic barotrauma
Barotrauma of descent
Sinus barotrauma
Pulmonary barotrauma
Tympanic membrane rupture
Chylous leak
Mask squeeze
Missile embolism