Which of the following is false about flow-triggered ventilatory support?
a. The work of breathing with flow trigger-ing is less than with pressure triggering.
b. Flow-triggered systems respond to chang-es in flow rather than pressure.
c. Pressure triggering on new ventilators may be as sensitive as flow-triggering.
d. Flow triggering will decrease the work of breathing in patients with small endotra-cheal tubes and auto-PEEP.
ANS: D
Flow triggering may not be effective in reducing work of breathing because of the presence of a small endotracheal tube or auto-PEEP.
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