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Appendix
Reference
Guides
Alarms and
Emergencies
Patient
Management
Surgical
Implant and
Explant
Monitor
Peripherals
and
Accessories
HVAD
®
Pump Overview
Introduction
134 HVAD® Instructions for Use
8.3 Medium Priority Alarms (continued)
The Following are Medium-Priority Alarms (continued):
The decision to change the controller or what other action is needed will be based on the log
The patient should be instructed to change the controller and return to the implanting center
as soon as is reasonable (within 12-16 hours) if one of the following occurs:
– The [Controller Fault] alarm is occurring frequently (more than 1 time per hour), with
increasing frequency,
– If the [Controller Fault] alarm has occurred and not resolved,
– If the [Controller Fault] alarm has occurred in conjunction with other alarms, and is
such as light headedness or shortness of breath.
to HeartWare for analysis.
The [Controller Fault] alarm audio can be permanently silenced but this cannot be done by the
patient. It requires the monitor.
For additional information on the Alarm Settings Tab, see Section 5.3.
8.4 Low Priority Alarms
A low alarm is resolved by following the instructions on the screen. Once resolved, the audible
tone will stop, the alarm message will automatically clear from the controller and VAD
parameters will be displayed on screen. The table below describes low alarms and possible
meaning.
Table 31: Low Priority Alarms
Message on Controller
(Line 1)
(Line 2)
Meaning
Alarm
Indicator Alarm Sound
[Low Battery 1]
[Replace Battery 1]
Battery 1 is low
Yellow
Alarm gets louder after
5 minutes and even louder after
10 minutes, if alarm not muted.
Able to mute alarm for
5 minutes. Press “Alarm Mute”
button.
[Low Battery 2]
[Replace Battery 2]
Battery 2 is low
[Power Disconnect]
[Reconnect Power 1]
Power Source 1
disconnected
or defective
[Power Disconnect]
[Reconnect Power 2]
Power Source 2
disconnected
or defective
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