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T
I
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AB.91.040
1. Mandatory SIMV breath
2.
Spontaneous pressure supported breath
3. Paw
4. Psupport
5. PEEP
6. Time
Figure 11-6 • SIMV VCV waveform
SIMV PCV mode
Synchronized intermittent ventilation with pressure control ventilation
(SIMV PCV) delivers a relatively slow breathing rate with pressure-
controlled breathing. This mode combines mandatory breaths with
spontaneous breath support. If a trigger event occurs within the
synchronized window, a new pressure-controlled breath is initiated. If
a trigger event occurs elsewhere during the expiratory phase, a
support for a spontaneous breath is provided with pressure support
added as set by the clinician.
SIMV PCV mode settings:
• Pinsp
• RR
• Tinsp
• Psupport
• PEEP
• Pmax
• Trig Window
• Flow Trigger
• End of Breath
• Rise Rate
• Exit Backup
11 Specifications and theory of operation
2067226-001 11-29
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