A nurse receives report on a patient in the pediatric intensive care unit and is told the patient is on a ventilator in SIMV mode. Which information is inconsistent with the nurse's knowledge of this type of ventilation?
A.
Breaths delivered with preset pressure
B.
Can be used in cases of respiratory failure
C.
Invasive form of ventilation that requires intubation
D.
Will override any spontaneous breathing
ANS: D
SIMV, or synchronized intermittent mandatory ventilation, is an invasive form of ventilation requiring the patient to be intubated. SIMV delivers mandatory breaths at a preset pressure. It can augment spontaneous tidal volume or inspiratory efforts. It will synchronize with the patient's respiratory efforts, not override them.
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