While observing a patient receiving ventilatory support, you notice that some delivered breaths are begun or ended by the machine, whereas others are begun and ended by the patient. Which of the following modes of ventilatory support is in force?
a. Intermittent mandatory ventilation (IMV)
b. Pressure support ventilation
c. Continuous mandatory ventilation (CMV)
d. Airway pressure release ventilation
ANS: A
In IMV, breaths can be either mandatory or spontaneous.
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