CareFusion AVEA - Chapter 3: Ventilator Operation; Membrane Buttons and LEDs

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AVEA ventilator systems 51

L2786 Rev. M

Chapter 3: Ventilator Operation

Membrane Buttons and LEDs

Figure 3.1a User Interface Module (International) Showing Button Icons

Main Page

Default Chapter5
- Table of Contents5
- EMC Notice7
- Intended Use Notice7
- MRI Notice7
- Regulatory Notice7
- Classification8
- Safety Information9
- Terms9
- Warnings9
- Cautions10
- Equipment Symbols11
Chapter 1: Introduction15
- Functions & Accessories15
- Artificial Airway Compensation16
- Features16
- Circuit Compliance Compensation17
- Full Range of Patient Size17
- Leak Compensation17
- Non-Invasive Ventilation17
- Heliox Delivery (Comprehensive Only, Option on Standard)18
- Humidification18
- Air or Heliox Supply21
Chapter 2: Unpacking & Setup21
- Ventilator Assembly & Physical Setup21
- Assembling the Ventilator22
- Setting up the Front of the Ventilator23
- Front Panel Connections31
- Setting up the Rear of the Ventilator38
- User Verification Test53
- AVEA User Verification Test Checklist59
- AVEA Troubleshooting60
- Membrane Buttons and Leds65
Chapter 3: Ventilator Operation65
- Alarm Reset66
- Alarm Silence (LED)66
- User Interface Module (English) Showing Button Labels66
- Alarm Limits67
- Increase O267
- Manual Breath67
- Suction (LED)67
- Accept68
- Cancel68
- Data Dial68
- Expiratory Hold69
- Inspiratory Hold (Manual)69
- Nebulizer69
- Patient Size69
- Advanced Settings (Led)/Mode/Event70
- Panel Lock (LED)70
- Print70
- Set-Up70
- Flow/Volume Loop in Freeze Mode71
- T. Freeze71
- Alarm Status Leds72
- Main72
- Screens72
- Screens Selection Box View72
- Patient Select Screen73
- Patient Setup73
  - Patient Size Select Screen74
  - Artificial Airway Compensation (AAC)75
  - Ventilation Setup Screen View75
  - Circuit Compliance76
  - Leak Compensation (LEAK COMP)76
  - Humidifier77
  - Identification77
  - Patient Weight77
  - EST (Extended Systems Test)78
  - Adult and Pediatric Mode Select Screen80
  - Infant Mode Select Screen80
- Setting the Ventilation Breath Type and Mode80
  - Breath Types81
  - Flow Cycle/Volume Limit81
  - Specific Controls81
- Volume Guarantee (VG)81
  - Delivered Pressure82
  - Inspiratory Pressure82
  - Machine Volume82
  - Volume Target82
  - Alarms and Safety Systems83
  - High Ppeak83
  - Low Ppeak83
  - Wye Sensor Disconnect83
  - Alarm Activation84
  - Limit Volume84
  - Low Expired Volume84
  - Initiating Volume Guarantee85
  - Messages86
  - Troubleshooting87
  - Mandatory Breaths88
  - The Intra-Breath Demand System in Volume Ventilation88
  - Volume Breaths88
  - Pressure Breaths89
  - Pressure Regulated Volume Control (PRVC)89
  - Time Cycled Pressure Limited (TCPL)89
  - Demand Breaths90
  - PSV (Pressure Support Ventilation)90
  - Spontaneous Breath91
  - Assist Control Ventilation (A/C)92
  - Ventilation Modes92
  - SIMV Waveform93
  - Synchronized Intermittent Mandatory Ventilation (SIMV)93
  - Adjustable PSV in APRV / Biphasic94
  - Airway Pressure Release Ventilation (APRV / BIPHASIC)94
  - Apnea Ventilation in APRV / Biphasic95
  - APRV / BIPHASIC Mode95
  - CPAP Waveform96
  - Apnea Backup in Assist Control or SIMV97
  - Apnea Backup Ventilation97
  - PSV Waveform97
  - Apnea Backup in CPAP/PSV or APRV / BIPHASIC98
  - Pressure Apnea Backup Settings for APRV / BIPHASIC Mode99
  - Volume Apnea Backup Settings for CPAP Mode99
  - Pressure Apnea Backup Settings for CPAP Mode100
  - Screen Select101
  - Standby101
  - Standby Message101
  - Standby Screen102
  - Adult and Pediatric Ventilation Modes103
  - Available Breath Types & Modes by Patient Size103
  - Neonatal Ventilation Modes103
- Primary Breath Controls104
  - Breath Rate (Rate)106
  - Descriptions of Primary Breath Controls106
  - Inspiratory Pressure (Insp Pres)106
  - Tidal Volume (Volume)106
  - Inspiratory Pause (Insp Pause)107
  - Inspiratory Time (I-Time)107
  - Peak Flow107
  - PSV (Pressure Support)107
  - Positive End Expiratory Pressure (PEEP)108
  - Inspiratory Flow Trigger (Flow Trig)109
  - Pressure High (Pres High)109
  - Time High109
  - Accessing the Advanced Settings110
  - Advanced Settings Indicator View110
  - Pressure Low110
  - Time Low110
  - Controls and Advanced Settings Associated with Breath Type & Mode111
  - Advanced Settings Characteristics and Ranges112
  - Volume Limit (Vol Limit)112
  - Machine Volume (Mach Vol)113
  - Demand Flow114
  - Flow Cycle114
  - Insp Rise114
  - Waveform114
  - Bias Flow115
  - Pres Trig115
  - Sigh115
  - Vsync115
  - PSV Rise116
  - Vsync Rise116
  - PSV Cycle117
  - PSV Tmax117
  - T High PSV/T Low Sync117
  - T High Sync117
- Independent Lung Ventilation (ILV)118
- Graphic Displays119
  - Graphics Colors119
  - Waveforms119
Chapter 4: Monitors, Displays and Maneuvers119
- Waveform Selection120
- Axis Ranges121
- Time Ranges121
- Waveform Choices121
- Accessing the Loops Screen122
- Choice of Loops122
- Loops122
- Creating a Reference Loop123
- Saving a Loop123
- Using the Freeze Button to Compare Loops123
- Maneuvers124
- Controls125
- Esophageal Maneuver Screen125
- Balloon Fill Start / Stop126
- Balloon Leak / Size Test126
- Selecting Balloon Size and Type126
- Alarms127
- Chest Wall Compliance (C Cw)127
- To Perform Esophageal Maneuvers127
- Duration129
- MIP / 100 Pmaneuver Screen129
- MIP Maneuver Settings129
- Sensitivity130
- Start / Stop130
- Inflection Point (Pflex) Maneuver Screen131
- Pflex Maneuver Settings131
- Maneuver PEEP (PEEP)132
- PEEP Equilibration Time (PEEP Teq)132
- Upper Pflex and Lower Pflex Determination133
- Autopeep Maneuver Screen135
- To Perform an Autopeep Maneuver136
- Capnometry Screen137
- Tracheal Catheter Placement137
- Digital Displays138
  - The Monitor Screen138
  - Monitored Values Menu Choices139
  - Events142
  - Trends143
  - Calculated I:E Ratio144
  - Calculated Minute Volume (Calc Ve)144
  - Calculated Time High & Time Low Min / Max144
- Main Screen Displays144
  - Calculated Time High: Time Low Ratio145
  - Main Screen Monitors146
Chapter 5: Volumetric Capnography147
- Theory of Operation147
- Settings and Monitored Values151
- Zeroing the CAPNOSTAT 5158
  - Bottom of AVEA UIM View158
  - Zero CO2 Sensor Message159
- Checking the Accuracy of the CAPNOSTAT 5160
- Nasal CPAP (Ncpap)163
  - Circuit Compatibility163
  - General Specifications (Ncpap)163
Chapter 6: Infant Non-Invasive Ventilation163
- High Ncpap Pressure164
- Initiating Nasal CPAP164
- Low Ncpap Pressure164
- Ncpap Pressure Limit164
- Calibration Required Message165
- Disconnect Point for Calibration165
- Mode Selection165
- Calibration Progress Message166
- Calibration Successfully Completed Screen166
- Caution Message Display (Ncap)167
- Monitors167
- Ncpap Primary Controls and Alarm Threshold Indicators167
- Displayed Waves168
- Graphics168
- Circuit Compatibility (Nimv)169
- General Specifications (Nimv)169
- Nasal Intermittent Mandatory Ventilation (Nimv)169
- Status Indicators181
Chapter 7: Alarms and Indicators181
- Battery Status Indicators182
- Internal Battery Power Indicator182
- The Message Bar183
- “Popup” Alert Messages183
- Alarm Categories184
- High Priority (Warning)184
- Low Priority (Advisory)/Backup Alarm (Advisory)184
- Medium Priority (Caution)184
- Alarm Controls185
  - Setting an Alarm Limit185
  - Alarm Silence/Alarm Reset186
- Alarm Types186
- Nasal CPAP / Nasal IMV Alarms195
- Volume Guarantee Alarms198
- Cleaning and Sterilization201
  - Limitations on Reprocessing201
  - Manual Cleaning201
Chapter 8: Maintenance and Cleaning201
- Capnometry Airway Adapters202
- Cleaning the Outside of the Capnometry Sensor and Cable202
- Sterilization202
- Additional Information on Cleaning203
- Recommended Periodic Maintenance204
- Battery Care205
Operator's Manual208
- Mains Fuses209
- Replacing a Mains Electrical Fuse209
Appendix A: Contact & Ordering Information211
- How to Call for Service211
- Ordering Parts212
Appendix B: Specifications215
- Data Input / Output Specifications216
- DC Power Supply Specifications216
- Independent Lung Ventilation (ILV) Specifications216
- Analog Inputs Data217
- Analog Outputs Data217
- Breath Phase Data218
- Volume Data218
- Digital Communication219
- VOXP (Ventilator Open XML Protocol)221
- Atmospheric & Environmental Specifications222
- Accessories223
  - Barometric Pressure223
  - Pall Microbial Filter Data/Water Trap Data223
- Physical Dimensions223
  - AVEA Disposable Expiratory Filter / Water Trap Specifications224
  - Gas Delivery Engine225
Appendix C: Pneumatic Diagram225
Appendix D: Monitor Ranges and Accuracies227
Appendix E: Sensor Specifications & Circuit Resistance231
- Varflex ® Sensor Specifications231
- Hot Wire Flow Sensor Specifications232
- Circuit Resistance Test233
- Volumetric Capnography Specifications234
Appendix F: AVEA Message Bar Text235
Appendix G: Advanced Pulmonary Mechanics Monitored Parameters237
- Chest Wall Compliance (Ccw)237
- Lung Compliance (Clung)237
- Rapid Shallow Breathing Index (F / Vt)237
- Compliance Ratio (C20/C)238
- Peak Expiratory Resistance (Rpeak)238
- Respiratory System Resistance (Rrs)238
- Imposed Resistance (Rimp)239
- Lung Resistance (Rlung)239
- Peak Expiratory Flow Rate (PEFR)239
- Peak Inspiratory Flow Rate (PIFR)239
- Autopeepaw240
- Delta Airway Pressure (Dpaw)240
- Delta Esophageal Pressure (Dpes)240
- Autopeepes241
- Delta Autopeepaw (Dautopeepaw)241
- Transpulmonary Pressure, Plateau (Ptp Plat)241
- Maximum Inspiratory Pressure (MIP)242
- Respiratory Drive (P100)242
- Transpulmonary Pressure, Autopeep (Ptp PEEP)242
- Patient Work of Breathing (Wobp)243
- Ventilator Work of Breathing (Wobv)243
- Imposed Work of Breathing (Wobi)244
Appendix H: Capnometry Troubleshooting245
Appendix I: Volumetric CO 2 Calculations247
- Volumetric CO2 Calculations247
- Anatomic Dead Space (VD Ana)249
- Alveolar Dead Space250
- Alveolar Ventilation (Va)250
- Anatomic Dead Space / Tidal Volume Ratio (VD Ana / Vt)250
- Oxygenation Index (OI)250
Appendix I: Volumetric Cocalculations251
Appendix J: Electromagnetic Declarations251
- Guidance and Manufacturer’s Declaration - Electromagnetic Immunity252
- Distance between RF Communications Equipment and AVEA Ventilator254
Appendix K: Glossary255
- Index257

CareFusion AVEA - Chapter 3: Ventilator Operation; Membrane Buttons and LEDs

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