Table of Contents
iv 046-004667-00 A7™ Operating Instructions
Synchronized Intermittent Mandatory Ventilation (SIMV).............................................................................................................. 5 - 12
Pressure Support in Synchronized Intermittent Mandatory Ventilation (SIMV) .......................................................... 5 - 13
Synchronized Intermittent Mandatory Ventilation–Volume Control (SIMV-VC) ......................................................... 5 - 13
Synchronized Intermittent Mandatory Ventilation–Pressure Control (SIMV-PC) ....................................................... 5 - 13
To Set SIMV-VC or SIMV-PC Mode ................................................................................................................................................ 5 - 14
Pressure Support Ventilation (PS)............................................................................................................................................................. 5 - 15
To Set PS Mode ....................................................................................................................................................................................5 - 15
Auxiliary Common Gas Outlet (ACGO) Mode....................................................................................................................................... 5 - 16
Monitor Mode.................................................................................................................................................................................................. 5 - 16
Start Mechanical Ventilation ................................................................................................................................................................................. 5 - 18
Stop Mechanical Ventilation ................................................................................................................................................................................. 5 - 18
Relationships of Ventilation Parameters........................................................................................................................................................... 5 - 18
Parameter Monitoring (Numerics) ......................................................................................................................................................................5 - 18
Pressure.............................................................................................................................................................................................................. 5 - 18
Volume ............................................................................................................................................................................................................... 5 - 19
Gas ....................................................................................................................................................................................................................... 5 - 19
Parameter Monitoring (Waveforms)...................................................................................................................................................................5 - 20
Pressure Waveform........................................................................................................................................................................................ 5 - 20
Auto-zeroing the Pressure Sensors .............................................................................................................................................. 5 - 20
Flow Waveform ............................................................................................................................................................................................... 5 - 20
Volume Waveform ......................................................................................................................................................................................... 5 - 21
Gas Waveform..................................................................................................................................................................................................5 - 21
Waveform Autoscaling.................................................................................................................................................................................5 - 23
Parameter Monitoring (Spirometry)................................................................................................................................................................... 5 - 23
Alarms and Messages .........................................................................................................................................6 - 1
Introduction ...................................................................................................................................................................................................................6 - 2
Alarm System Self-Test....................................................................................................................................................................................6 - 2
Types of Alarms and Messages.....................................................................................................................................................................6 - 3
Alarm Indicators.................................................................................................................................................................................................6 - 4
Displaying Alarms ........................................................................................................................................................................................................6 - 5
Displayed Order of Alarm Messages...........................................................................................................................................................6 - 6
Setting Alarm Volume ................................................................................................................................................................................................6 - 7
Silencing Alarms ...........................................................................................................................................................................................................6 - 8
Alarm Limits....................................................................................................................................................................................................................6 - 9
Setting Alarm Limits.........................................................................................................................................................................................6 - 9
Loading Alarm Defaults................................................................................................................................................................................6 - 12
Auto Alarm Limits........................................................................................................................................................................................... 6 - 13
Setting CO2 Apnea Delay Time (software bundle version 02.09.00 and later)........................................................................ 6 - 14
Alarm and Prompt Messages................................................................................................................................................................................6 - 14
Physiological Alarm Messages................................................................................................................................................................... 6 - 15
Technical Alarm Messages.......................................................................................................................................................................... 6 - 17
Startup Alarm Messages .................................................................................................................................................................. 6 - 17
CPU Board Runtime Alarm .............................................................................................................................................................. 6 - 20
Power Board Runtime Alarm .......................................................................................................................................................... 6 - 21
Flow Control System Runtime Alarm .......................................................................................................................................... 6 - 22
Ventilator Control Board Runtime Alarm ...................................................................................................................................6 - 23
Anesthetic Gas (AG) Module Alarm Messages ......................................................................................................................... 6 - 25
Prompt Messages........................................................................................................................................................................................... 6 - 28
Prompt Messages Displayed in Alarm Area .............................................................................................................................. 6 - 28
Prompt Messages Displayed in Pop-up Area ........................................................................................................................... 6 - 29
Maintenance .......................................................................................................................................................7 - 1
Theory of Operation....................................................................................................................................................................................................7 - 3
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