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Static apnea blackout Unconsciousness due to gradual oxygen depletion caused by
holding one's breath too long. It can occur anywhere,
particularly at the surface, and is not associated with depth
or pressure changes. It commonly occurs in swimming pools
at the surface or during long underwater endurance swims.
SURF TIME Abbreviation for surface interval time.
Surface interval time Elapsed time between surfacing from a dive and beginning a
descent for the subsequent repetitive dive.
Tissue group Theoretical concept used to model bodily tissues for the
construction of decompression tables or calculations.
Whole-Body Toxicity Another form of oxygen toxicity, which is caused by
prolonged exposure to high oxygen partial pressures. The
most common symptoms are irritation in the lungs, a burning
sensation in the chest, coughing and reduction of the vital
capacity. Also called Pulmonary Oxygen Toxicity. See also
OTU.
