ZOLL AEV Operator's Manual
Also see for AEV: Operator's guideService manual
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Contents
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USING THE ZOLL VENTILATOR4-20 www.zoll.com 906-0731-01-05 Rev. CAlarm PrioritiesAlarm priorities define the operational state of the device regarding its ability to providemechanical ventilation. The alarm priority determines what effect pressing theMUTE/CANCEL button has. There are three priorities:• High Priority: Mechanical ventilation under operator control is no longer possible. Thisalarm category requires immediate intervention by the operator. This includes system failurealarms where the CPU has failed and a backup has taken over to sound the audible andvisual alarms. It also includes when the device is turned on and there is no internal orexternal power source. Pressing the MUTE/CANCEL button has no affect on the HighPriority alarm. The alarm can only be silenced by turning off the ventilator.• Medium Priority: Mechanical ventilation is active or is possible (maybe for a finite periodof time), but there is a failure/fault with the patient, ventilator circuit, a pneumaticsubsystem, or pulse oximeter. This alarm category requires immediate intervention by theoperator. Pressing the MUTE/CANCEL button mutes Medium Priority alarms for 30seconds. If after 30 seconds the alarm-causing condition still exists, the audible alarm recursuntil it is muted again for another 30 second period or resolves.• Low Priority (Advisory): Safe mechanical ventilation is active, but there is a fault that theoperator must be aware of to ensure safe management of the patient and/or ventilator. LowPriority alarms present themselves with both an audible and yellow LED alarm signalalerting the operator to the condition. Pressing the MUTE/CANCEL button cancels theaudible signal. If the alarm is not resolved, the yellow LED remains illuminated to remindthe operator of the fault or failure. You can cancel some Low Priority alarms to avoidnuisance alarms.If the alarms are Low Priority, then the Pleth and Pressure/Time plots appear permanently onthe screen when the alarms are muted. If the alarms are Medium Priority, the unit cyclesthrough each Medium Priority Alarm for a 20 second period. You can use the selection dial toselect a particular Medium Priority Alarm and/or Plot for 20 seconds, after which the abovecycling rotation resumes. New Alarms can overwrite the screen at any time.The first digit in the service code indicates the alarm priority:1###: High Priority alarms2###: Medium Priority alarms3###: Low Priority alarms |
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