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Oxygen limit fraction
O
%
2
Oxygen partial pressure
PFO
PO
2
RGBM
Reduced Gradient Bubble Model
Repetitive dive
Residual nitrogen
SURF TIME
Surface interval time
Tissue group
Trimix
126
A term used by Suunto for the values displayed in the oxygen toxicity bar
graph. The value is either the CNS% or the OTU%.
Oxygen percentage or oxygen fraction in the breathing gas. Standard air
has 21% oxygen.
Limits the maximum depth to which the nitrox mixture can be safely used.
The maximum partial pressure limit for enriched air diving is 1.4 bar. The
contingency partial pressure limit is 1.6 bar. Dives beyond this limit risk
immediate oxygen toxicity.
Abbreviation for patent foramen ovale. It is a form of congenital heart
defect that enables blood flow between the left and right atria via the in-
teratrial septum.
Abbreviation for oxygen partial pressure.
Abbreviation for Reduced Gradient Bubble Model.
Modern algorithm for tracking both dissolved and free gas in divers.
Any dive whose decompression time limits are affected by residual nitro-
gen absorbed during previous dives.
The amount of excess nitrogen remaining in a diver after one or more
dives.
Abbreviation for surface interval time.
Elapsed time between surfacing from a dive and beginning a descent for
the subsequent repetitive dive.
Theoretical concept used to model bodily tissues for the construction of
decompression tables or calculations.
A breathing gas mix of helium, oxygen and nitrogen.
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