Diving models address the coupled issues of gas uptake, gas elimination, bubbles and pressure changes in numerous computational frameworks. Application of a computational model to staging divers is called a diving algorithm. The NAUI reduced gradient bubble model (RGBM) is a modern one, treating the many facets of gas dynamics in tissue and blood consistently. Although the systematics of gas exchange, nucleation, bubble growth or collapse, and decompression are so complicated that theories only reflect pieces of the decompression sickness (DCS) puzzle, the risk and DCS statistics of staging algorithms can be easily collected and analyzed.
The record of the RGBM over the past 20 years or so is noteworthy, especially as it regards safe staging using deep stops with overall shorter decompression times. The dynamics port naturally to both…
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