Table 5

Abbreviations for oxygen devices for use on bedside charts

Add flow in L/min for example, N 2 L/min=nasal oxygen at 2 l/min.
V28 4 l/min=28% Venturi mask at 4 l/min.
RM 15 l/min=reservoir mask at 15 l/min.
A, air
N, nasal cannulaeHFN, high flow nasal cannulae
V24, Venturi mask 24%V28, Venturi mask 28%V35, Venturi mask 35%
V40, Venturi mask 40%V60, Venturi mask 60%
H28, humidified O2 28%H40, humidified O2 40%H60, humidified O2 60%
RM, reservoir maskSM, simple face maskTM, tracheostomy mask
CPAP, continuous positive airway pressureNIV, non-invasive ventilation