A patient is being mechanically ventilated via an ICU ventilator for positive-pressure noninvasive ventilation with a full face mask. The therapist notices that the patient is having considerable difficulty cycling the machine. Which of the conditions is the likely problem in this situation?
A. The preset tidal volume is too low.
B. A leak may have developed in the system.
C. The backup respiratory rate is set too low.
D. The cuff on the ETT is not creating an adequate seal.
Question 2
What is the significance of the quantitative difference between the IPAP and EPAP settings on a bilevel pressure-limited ventilator?
A. The difference between the IPAP and EPAP equals the PEEP.
B. The CPAP level is represented by the difference between the IPAP and EPAP.
C. The pressure support level is determined by subtracting the EPAP from the IPAP.
D. The difference between the IPAP and the EPAP signifies patient's work of breathing.
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