A Chronic Obstructive Pulmonary Disease (COPD) Patient Receiving Ventilatory Support

Multiple Choice

A chronic obstructive pulmonary disease (COPD) patient receiving ventilatory support in the CMV assist-control mode at a rate of 14 and a V_T of 750 ml exhibits clinical signs of air trapping. Which of the following would you recommend to correct this problem?
1) Decrease "E" time.
2) Increase the inspiratory flow rate.
3) Decrease the assist-control rate.

A) 1 and 2 only
B) 1 and 3 only
C) 2 and 3 only
D) 1, 2, and 3