PFO

PO2

RGBM

Reduced Gradient Bubble Model Repetitive dive

Residual nitrogen

SURF TIME

Surface interval time

Tissue group

UHMS

Whole-body 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.

Abbreviation for Undersea and Hyperbaric Medical Society.

Another form of oxygen toxicity, which is caused by prolonged exposure to high oxygen partial pressures. The most common symptoms are irrita- tion in the lungs, a burning sensation in the chest, coughing and reduction of the vital capacity. Also called Pulmonary Oxygen Toxicity. See also OTU.

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Suunto D6I manual PFO PO2 Rgbm