8.5
Impella
®
System for Use During Cardiogenic Shock
Table 8.2 Automated Impella
®
Controller Alarm Messages (continued)
Severity Alarm Header
Action
Cause
Cri
ti
ca
l A
la
rm
s
Purge System Blocked
1. Check all purge system tubing for
kinks or blockages.
2. Decrease concentration of dextrose
in the purge solution.
Purge flow has dropped below
1 mL/hr.
Kinked or blocked purge connecting
tube.
Kinked or blocked purge lumen in
Impella
®
Catheter.
Purge System Failure
1. Replace purge cassette.
2. Switch to backup controller.
There is a problem with the purge
cassette or purge unit driver.
Purge System Open
1. Check the purge system tubing for
open connections or leaks.
2. Replace purge cassette.
Purge pressure has dropped below
100 mmHg for 20 seconds or longer.
Retrograde Flow
Check for high afterload pressure.
Retrograde flow detected at high
motor speed.
Ser
io
us A
lar
m
s
Battery Comm. Failure
Plug controller into AC power.
Loss of communication to the
battery.
Battery Level Low
Plug controller into AC power.
Battery has 50% remaining capacity.
Battery Temperature High
1. Check controller for blocked air
vents.
2. Switch to backup controller.
Battery temperature is greater than
50°C and less than or equal to
60°C.
Complete Procedure
1. Follow the steps on the screen or
2. Exit the procedure
User has not responded to a de-air
or purge procedure screen for
more than 1 minute or a transfer to
standard configuration screen for
more than 5 minutes.
Controller Error
Switch to backup controller.
There is a problem with the
controller electronics.
Impella Catheter Not
Supported
1. Replace Impella with supported
catheter (2.5, CP, 5.0, LD, RP).
2. Contact Abiomed Service to
upgrade Impella Controller.
The Impella
®
Catheter is not
supported to operate with the
current version of controller
software and/or hardware.
Impella Defective
Do not use Impella.
Replace Impella.
There is a problem with the Impella
®
Catheter electronics.
Impella Flow Low
1. Check for suction.
2. Check for high afterload pressure.
Actual flow is below 2.5 L/min.
Impella Outflow Blocked
1. Confirm Impella position with
imaging.
2. Pull Impella back 2 cm.
Flow to Impella Catheter outlet area
obstructed.
8
A
U
TO
MA
TED
I
M
P
EL
LA
®
C
O
N
TR
O
LL
E
R
AL
A
R
M
S
Summary of Contents for Impella 2.5
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