Which measure would be most appropriate for the nurse to do to ensure that a child's ET tube is correctly positioned?
A) Auscultate for abdominal breath sounds
B) Mark the tracheal tube at the child's lip
C) Watch for a yellow display on a CO2 monitor
D) Inspect for water vapor in the tracheal tube
C
Response:
The best way to verify correct tracheal tube placement is to use a CO2 monitor. If the tube is properly placed, the monitor display will turn yellow with each exhalation. Auscultation for breath sounds and inspecting the tube for signs of water vapor are valid confirmations but not as good as using a CO2 monitor. Marking the tube alerts the nurse if the tube becomes misplaced.
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