This is not a problem except for patients on mechanical ventilators, since gas supplied through oxygen masks in medical applications is typically composed of only 30%–50% O 2 by volume (about 30 kPa at standard pressure).
Dette er ikke et problem for andre end patienter med mekanisk ventilering, da gas leveret gennem iltmasker typisk kun består af 30%–50% O2 efter volumen (omkring 30 kPa ved standardtryk).