broncobowsher
Contributor
My understanding is both are like a light switch. Just fine, a second later complete FUBAR.
Hypercapnia (CO2 hit) is the one you might feel coming on before it is too severe, if you are paying attention and know what you are looking for.
Hypercapnia (CO2 hit) is the one you might feel coming on before it is too severe, if you are paying attention and know what you are looking for.