Synchronized intermittent mandatory ventilation (simv).-rationale: in simv mode, the ventilator delivers a preset number of breaths at a preset tidal volume. the client can breathe on his own in between the breaths delivered by the ventilator. in psv, a pressure plateau is added to the ventilator to prevent the airway pressure from falling beneath a preset level. in ac ventilation, the ventilator delivers a preset number of breaths at a preset tidal volume and any breaths that the client takes on his own are assisted by the ventilator so they reach the preset tidal volume. in cpap, the ventilator provides only positive airway pressure; it doesnt provide any breaths to the client.client needs category: safe, effective care environmentclient needs subcategory: management of carecognitive level: applicationreference: smeltzer, s.c., et al. brunner & suddarths textbook of medical-surgical nursing, 11th ed. philadelphia: lippincott williams & wilkins, 2008, p. 744.
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