You care called to the pt's room bc a ventilator alarm is sounding. You hear an audible lead aroudn the pt ET tube during a ventilator breath and notcie the exhale vt is reading 150mL less than the set VT. You check the cuff pressure anf idn that it is 12 mmHg. Which of the following is the appropriate action to take?
a) Maintain current cuff pressure and increase pt VT to compensate for leak
b) Instill enough air to miantain a cuff pressure fo 30 mmHg
c) While listening with a stethescope at the larynx, instill air into th cuff until a slight leak is heard on inspiration.
d) instill enough air until only a slight audible leak is heard
c) Although a cuff pressure of 12 mmHg may be adequeate in some instances to seal the airway effectively, in this sitch, 12 mmHg is inadequate and leak is present around the cuff. Increasing pressure in the cuff slowly and stopping just at the point where a small leak is heard ensures that th least amount of pressure is being placed on the wall of the trachea with only a minimal leak. this is referred to as the minimal leak technique. Generally, it is safe to use cuff pressures of up to 20 mmHg (27cwp) without causing pressure damage to tracheal wall.