A, air | ||
N, nasal cannulae | HFN, high-flow humidified oxygen via 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 mask | SM, simple face mask | TM, tracheostomy mask |
CPAP, continuous positive airway pressure | NIV, non-invasive ventilation |