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Figure 5a & 5b

Up Dysynchrony e-lectures Figure 5a & 5b Modes of ventilation Non-invasive ventilation Physiological effects Specific ventilators


Figure 5a SIMV with pressure support.

If the patient triggers the ventilator during the SIMV period the ventilator delivers a preset breath and counts this breath as one of the SIMV breaths. If the patient triggers the ventilator outside the SIMV period the ventilator delivers a pressure support breath

Figure 5b. SIMV with pressure support

If the patient does not trigger the ventilator in the SIMV period the ventilator delivers a preset breath at the end of the SIMV period


©Charles Gomersall, April, 2014 unless otherwise stated. The author, editor and The Chinese University of Hong Kong take no responsibility for any adverse event resulting from the use of this webpage.
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