气管插管英文版Tracheal intubation l A tracheal tube is a catheter that is inserted into the trachea for the primary purpose of establishing and maintaining a patent airway. l Tracheal tubes are frequently used for airway management in the settings of general anesthesia, critical care, mechanical ventilation and emergency medicine.Indicationsl Hypoxemial Respiratory failurel Airway obstructionl Depressed level of consciousnessl Manipulation of the airwayContraindicationsl Severe airway trauma or obstruc