How do divers reduce the risk of CNS symptoms during dives with elevated oxygen levels?

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To reduce the risk of central nervous system (CNS) symptoms during dives with elevated oxygen levels, divers should focus on limiting exposure time and closely monitoring the partial pressure of oxygen (ppO2). Elevated oxygen levels can lead to toxicity if divers exceed safe exposure limits, particularly during deep dives where the ppO2 can increase significantly.

By keeping track of the ppO2, divers can ensure that it remains within a safe range throughout the dive. This includes planning dives to limit how long they are exposed to higher concentrations of oxygen, which helps prevent symptoms such as convulsions or other neurological effects associated with oxygen toxicity.

Proper dive planning and adherence to recommended exposure times are critical for maintaining safety, especially in environments where the risk of CNS effects is elevated. This approach allows divers to enjoy longer and deeper dives while minimizing health risks.

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