co2 issues in scuba diving - Andy Davis Sidemount Technical Wreck Diving Blog

Scuba Diving Anxiety & CO2 Narcosis

Did you know that scuba diving anxiety can arise from CO2 narcosis? Learn why descent speed, gas density & exertion can affect your dives!

Scuba Diving Descent Speed: What You Need to Know!

scuba diving descent speed rate narcosis hypercapnia

This article has everything that you were never taught about scuba diving descent speed! What effects and issues does the descent rate have?

CO2 Narcosis and Hypercapnia When Scuba Diving

scuba-diving-co2-narcosis-and-hypercapnia

Did you know that mild CO2 retention (hypercapnia) causes acute CO2 narcosis symptoms when you are diving? Don't assume it is nitrogen!

Why Do Divers Use Helium?

Find out the three reasons why divers use helium in their breathing gas to increase diving safety. Scuba agencies have differing policies on training for helium diving.