<unk>  of descent
Otic<unk> <unk> 
Sinus<unk> 
Mask squeeze
Barodentalgia (trapped dental air causing squeeze)<unk>  of ascent<unk> <unk>  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
Otic<unk> <unk> 
Sinus<unk> 
Mask squeeze
Barodentalgia (trapped dental air causing squeeze)<unk> <unk>  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
Otic<unk> <unk> 
Sinus<unk> 
Mask squeeze
Barodentalgia (trapped dental air causing squeeze)
Pulmonary barotrauma
Barotrauma of descent
Otic barotrauma
Sinus barotrauma
Iatrogenic pneumothorax
Tracheostomy dislodgement
Mask squeeze
Tracheostomy complications