Created at	Source	Raw Value	Validated value
Nov. 26, 2021, 10:30 p.m.	oms	Patients will be excluded if PaCO2 above 50 mm Hg, underlying chronic lung disease, cardiogenic pulmonary edema, severe shock, impending cardiopulmonary arrest, Glasgow coma scale score lower than 8 & absence of airway protective gag reflex.	Patients will be excluded if PaCO2 above 50 mm Hg, underlying chronic lung disease, cardiogenic pulmonary edema, severe shock, impending cardiopulmonary arrest, Glasgow coma scale score lower than 8 & absence of airway protective gag reflex.
Nov. 13, 2021, 5:33 p.m.	oms	N/A	N/A
Jan. 15, 2021, 12:45 a.m.	oms	Patients will be excluded if PaCO2 above 50 mm Hg, underlying chronic lung disease, cardiogenic pulmonary edema, severe shock, impending cardiopulmonary arrest, Glasgow coma scale score lower than 8 & absence of airway protective gag reflex.	Patients will be excluded if PaCO2 above 50 mm Hg, underlying chronic lung disease, cardiogenic pulmonary edema, severe shock, impending cardiopulmonary arrest, Glasgow coma scale score lower than 8 & absence of airway protective gag reflex.