<unk>  of descent<unk> 
Pulmonary<unk> 
Sinus<unk> 
Mask squeeze
Barodentalgia (trapped dental air causing squeeze)<unk>  of ascent
Pulmonary<unk>  (pulmonary overpressurization syndrome)
Decompression sickness (DCS)
Arterial gas embolism
Alternobaric vertigo
Facial baroparesis (Bells Palsy)
At depth injuries
Oxygen toxicity
Nitrogen narcosis
Hypothermia
Contaminated gas mixture (e.g. CO toxicity)
Caustic cocktail from rebreathing circuit<unk> 
Pulmonary<unk> 
Sinus<unk> 
Mask squeeze
Barodentalgia (trapped dental air causing squeeze)
Pulmonary<unk>  (pulmonary overpressurization syndrome)
Decompression sickness (DCS)
Arterial gas embolism
Alternobaric vertigo
Facial baroparesis (Bells Palsy)
Oxygen toxicity
Nitrogen narcosis
Hypothermia
Contaminated gas mixture (e.g. CO toxicity)
Caustic cocktail from rebreathing circuit
Auricular hematoma
Auricular perichondritis
Cholesteatoma
Contact dermatitis
Ear foreign body
Herpes zoster<unk> us (Ramsay Hunt syndrome)
Malignant otitis externa
Otitis externa
Otomycosis
Tympanic membrane rupture<unk> <unk> 
Acute otitis media
Bullous myringitis
Chronic otitis media
Mastoiditis
Bullous myringitis
Labyrinthitis, vestibular neuritis
Meniere's disease
Sudden sensorineural hearing loss<unk> 
Pulmonary<unk> 
Sinus<unk> 
Mask squeeze
Barodentalgia (trapped dental air causing squeeze)
Otic barotrauma
Barotrauma of descent
Sinus barotrauma
Pulmonary barotrauma
Tympanic membrane rupture
Chylous leak
Mask squeeze
Missile embolism