Terminology
ARDS: acute respiratory distress syndrome
SpO2: oxygen saturation.
PaO2: partial pressure of oxygen
PaCO2: partial pressure of carbon dioxide
FiO2: the fraction of inspired oxygen
P/F ratio: the physiologic relationship between inspired oxygen and the arterial partial pressure, i.e., PaO2/ FiO2 ratio
PEEP: positive end-expiratory pressure
L/m: liters/minute
G: gravida (number of pregnancies)
P: para, i.e., completed pregnancies (term, preterm, aborta, living).
W: weeks.
Hollister: endotracheal tube fastener
Z-Flo: fluidized positioner
A-frame: three fluidized positioners are placed in an “A” shaped frame