Standard modes of positive pressure ventilation

Research output: Contribution to journalArticle

Abstract

Four standard mechanical ventilatory modes were discussed: CMV, A/CMV, IMV, and SIMV. These modes combine attributes and limitations uniquely so that each mode is distinct. Table 1 outlines a summary of these differences. The patient's inspiratory effort triggers mechanical inspiration during A/CMV, and SIMV. Only IMV and SIMV allow spontaneous ventilation and partial ventilatory support, but SIMV increases the work of spontaneous breathing because it necessitates a demand valve. Partial ventilatory support is delivered best with an IMV system that includes a high continuous flow inspiratory reservoir to supply gas for spontaneous ventilation and a threshold resistor expiratory valve.

Original languageEnglish (US)
Pages (from-to)737-747
Number of pages11
JournalAnesthesiology Clinics of North America
Volume5
Issue number4
StatePublished - Jan 1 1987

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

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