The physician calls and asks you to select a mode of ventilation in which you can maintain a precise I:E ratio. Which of the following modes would you select? A. Synchronous Intermittent Mandatory Ventilation B. Control Mode Ventilation C. Assist-Control Ventilation D. Pressure Support Ventilation
In order to maintain a precise I:E ratio, you need to be able to set a mandatory rate and tidal volume.
Control Mode Ventilation (CMV) is the only possibility of the four choices that will allow you to do that, so you should know immediately that it is the correct answer.
In CMV, the patient cannot trigger any breaths. All ventilatory support is provided by the machine. And as we stated, it can’t be any of the other answer choices, so you know that the correct answer has to B. Control Mode Ventilation.
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