Episode 33 - SCUBA - Part 2

from EnviroPhys: Navigating Human Limits · host Dr. Jim Davis

This episode dives into the effects of gas exchange under pressure. We explain Dalton’s Law, the causes and symptoms of nitrogen narcosis, and the risks of oxygen toxicity at depth. We also introduce Henry’s Law, explaining how nitrogen dissolves into tissues and leads to decompression sickness (DCS) if ascent is too rapid. We discuss prevention strategies such as slow ascent, safety stops, and treatment with hyperbaric oxygen therapy.

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This episode is 4 minutes long.

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This episode was published on April 8, 2025.

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