A patient's endotracheal tube cuff pressure is measured at 35 mm Hg. The most appropriate im-mediate action to take is:
a. extubate the patient immediately.
b. do nothing; this pressure is acceptable.
c. add more volume to the cuff, and recheck pressure.
d. remove some volume from the cuff, and recheck pressure.
ANS: D
Because of tracheal mucosal blood pressure-flow characteristics, cuff pressure should be below 25 mm Hg to prevent tracheal ischemic damage. High cuff pressure is not an indication for extu-bation. Adding more volume would increase the cuff pressure even more, creating more of a blockage to blood and lymph circulation in the area surrounding the cuff.
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