Don't pre-oxygenate with a 3-metre Bain circuit.
Sellers
W F S
WF
Dykes
S
S
D000399:Air Pressure; D000764:Anesthesia, Closed-Circuit / Q000295:instrumentation*; D006801:Humans; D010102:Oxygen Inhalation Therapy / Q000379:methods*; D012119:Respiration