A system for delivering oxygen to a patient through an airway includes an airway connector and a nasal cannula holder. The airway connector includes a first connector portion configured to be inserted into the airway, a second connector portion having an open end opposite the first connector portion, and a sample port disposed in a side of the second connector portion. The nasal cannula holder includes a first holder portion configured to connect to the second portion of the airway connector, a second holder portion connected to the first holder portion, and a nasal cannula port disposed in a side portion of the second holder portion configured to receive the nasal prongs of a nasal cannula to deliver oxygen to the patient.