8.4
Instructions for Use & Clinical Reference Manual (US)
Table 8.2 Automated Impella
®
Controller Alarm Messages (continued)
Severity
Alarm Header
Action
Cause
Cri
ti
ca
l A
la
rm
s
Impella Position In Ventricle
1. Reduce the P-level to P-2 until
imaging is available.
2. Reposition with imaging.
3. Return to preferred P-level and
confirm positioning with imaging.
Controller has detected that
Impella
®
Catheter is fully in the
ventricle.
Impella Position Wrong
1. Reduce the P-level to P-2 until
imaging is available.
2. Reposition with imaging.
3. Return to preferred P-level and
confirm positioning with imaging.
Controller has detected that
Impella
®
Catheter is in the wrong
position.
Impella Stopped
To prevent retrograde flow, restart
Impella or withdraw pump from ventricle.
Impella
®
Catheter is not running;
possible retrograde flow through
Impella
®
Catheter.
Impella Stopped
1. Restart Impella.
2. Replace Impella after 3rd unsuccessful
restart attempt.
There may be a mechanical or
electrical problem in the Impella
®
Catheter.
Impella Stopped
1. Replace white connector cable.
2. Switch to backup controller.
3. Replace Impella Catheter.
There is a problem with the
electronics.
Impella Stopped
Controller Failure
Switch to backup controller.
There is a problem with the
controller electronics.
Impella Stopped
Motor Current High
1. Restart Impella.
2. Replace Impella after 3rd
unsuccessful restart attempt.
There is a problem with the
Impella
®
Catheter motor.
Purge Line Click-On Not
Detected
Check the purge line click-on and make
sure it is fully inserted.
The controller is not detecting that
the purge pressure transmitter
is clicked into the front of the
controller.
Purge Pressure High
1. Check purge system tubing for kinks.
2. Decrease concentration of dextrose in
the purge solution.
Purge pressure is ≥1100 mmHg
with the purge flow <2 mL/hr.
Purge Pressure Low
1. Check purge system tubing for leaks.
2. Increase concentration of dextrose in
the purge solution.
3. Replace purge cassette.
Purge pressure has dropped below
300 mmHg with the purge flow
≥30 mL/hr for 30 seconds or
longer.
Summary of Contents for Impella 2.5
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