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Monitoring with the Vision

Monitoring with the Vision

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Monitoring with the Vision

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  1. Monitoring with the Vision Alarms

  2. Alarm Overview • Alarm: Warning Signal of an Event • Event: A Noteworthy Happening • An abnormal clinical occurrence • Requiring clinical awareness or action

  3. Alarm Overview • Events Are Related To: • Technical performance of the ventilator system or • Patient’s clinical condition

  4. Alarm Overview Two Types of Alarms • System • Adjustable

  5. Alarm Overview • Alarm Indications • Visual • Audible • Two Tones • Alarm Reset • Manual • Self-canceling • Nurse Call/Remote

  6. System Alarms • Check Ventilator Performance • Preset and Not Adjustable • Continuous Tone

  7. System Alarms • Ventilator Inoperative • Check Ventilator • Pressure Regulation • Proximal Pressure Line • O2 Flow • Exhalation Port • Disconnect

  8. System Alarm Audible & Visual Ventilator Inoperative Why? • System Malfunction • AC Power Failure What Happens? • Ventilator Powers Down • Valves Open to Atmosphere • allows spontaneous breathing

  9. System Alarm Audible & Visual Manual Reset Check Ventilator • Abnormal Operating Condition What Happens? • Ventilator Continues to Operate • Unit Requires Service • Visual Indicator Remains Until Condition Corrected

  10. System Alarm Visual & Audible Manual Reset Check Ventilator Why? • Internal Battery Voltage is Low What Happens? • Internal Battery Cannot Sustain Audible Alarm • AC Power Will Trickle Charge Error Code 205

  11. System Alarm Audible & Visual Self-canceling Pressure Regulation Why? • Proximal and Set Pressure Vary • +/- 5 cm H2O What Happens? • Ventilator Sends Available Flow to Achieve Set Pressure P Regulation

  12. System Audible & Visual Self-canceling Proximal Line Disconnect Why? • Proximal Pressure < 1 cmH2O What Happens? • Ventilator Continues to Deliver Set Pressure ProxLine Disc

  13. System Alarm Audible & Visual Manual Reset Oxygen Flow Why? • Insufficient Oxygen Flow What Happens? • FIO2 Cannot be Maintained Ventilator Continues to Deliver Set Pressure O2 Flow

  14. System Alarm Audible & Visual Self-Canceling Exhalation Port Why? • Baseline Flow Decreases Below Intentional Leak Rate • 5L/min or 50% What Happens? • Ventilator Continues to Deliver Set Pressure Exh Port

  15. Learn Function • Learns Base Flow • Upon system start-up • After mode changes • Activated manually • With circuit condition changes • Modify Alarms screen

  16. System Alarm Audible & Visual Self-Canceling Disconnect Alarm Why? • Patient Disconnect • High flow rates for 4 seconds What Happens? Disconnect • Ventilator decreases flow to idle

  17. Flow Limit Control What Is It ? • Recognizes Patient Disconnection • Decreases total flow to idle • Flow Returns to Normal • Spontaneous patient trigger

  18. Benefits of System Alarms • Monitor Operating Specifications • Warn of Abnormal Operating Conditions • Visual Messages Facilitate Troubleshooting

  19. Adjustable Alarms • Monitor Specific Patient Parameters • Clinician Adjustable • Multiple Tone

  20. High Pressure Low Pressure Low Pressure Delay Apnea Low Rate High Rate Low Minute Ventilation Adjustable Alarms

  21. Adjustable Alarm Audible & Visual Self-canceling High Pressure Why? • Proximal Pressure Exceeds Hi P Alarm Limit • What Happens? Inspiration is Terminated • Safety Feature Hi P

  22. Adjustable Alarm Audible & Visual Self-canceling Low Pressure& Low Pressure Delay Why? • Proximal Pressure Below Lo P • Limit for Set Time Delay What Happens? • Ventilator Continues to Function Lo P

  23. Setting Pressure Alarms • Hi P and Lo P • Bracket IPAP • Lo P Delay • According to patient condition

  24. Adjustable Alarm Audible & Visual Self-canceling Apnea Why? • Absence of Spontaneous Trigger for Set Time Interval What Happens? • Timed Breaths are Delivered at Set Rate Apnea

  25. Apnea (con’t) • Audible resets only when condition is corrected • Two spontaneous triggers • Safety feature • Apnea Can be Disabled

  26. Adjustable Alarm Audible & Visual Self-canceling Low Rate Why? • Total Respiratory Rate is Below Lo Rate Limit Setting Lo Rate Alarm Limits • Set Below Total Respiratory Rate • And Above Set Rate

  27. Adjustable Alarm Audible & Visual Self-canceling High Rate Why? • Total Respiratory Rate is Above Hi Rate Limit Setting Hi Rate Alarm Limits • Set Above Total Respiratory Rate

  28. Adjustable Alarm Audible & Visual Self-canceling Low Minute Ventilation Why? • Minute Ventilation Falls Below Set Lo MinVent Limit Setting Lo MinVent alarm limits • Set ~ 20% < Total Minute Ventilation • Use MinVent estimation

  29. Benefits of Adjustable Alarms • Monitor Patient Conditions • Warn of Critical Changes in the Patient • as determined by the clinician • Visual Messages Facilitate Troubleshooting