Arrow AutoCAT 2 Series Operating Manual page 176

AUTOMATIC RESPONSE ALARMS (Class I)
Problem Operation Mode
Possible Helium AutoPilot
Loss Operator
Operator only
High Pressure AutoPilot
Operator
8 . 2 : T r o u b l e s h o o t i n g A l a r m s C l a s s I
Possible Cause(s)
™ Leak in Tubing or
Connections
Kinked Catheter
IAB has not fully exited
the sheath
Balloon connector not
properly seated
Blood in catheter tubing
IAB too large
Erratic triggering or
arrhythmias
Incorrect timing
Very late deflation or
early inflation
Erratic triggering or
arrhythmia's
™ Kinked IAB Driveline
IAB has not exited
the sheath
8 . T r o u b l e s h o o t i n g
Corrective Actions
Perform Leak test and
repair tubing as needed
Find kink and straighten
out the catheter
Be sure the IAB has exited
the sheath
Disconnect and reconnect
the IAB connector
Remove balloon
immediately and insert a
new IAB catheter
WARNING
Any evidence of blood
leakage within the
IAB assembly warrants
immediate IAB removal.
Reduce IAB volume
Change assist ratio to 1:2
Reduce IAB volume. Select
Operator mode and select
PEAK trigger and reset
timing
Change to 1:2 assist. If
alarm condition does not
occur, return to 1:1 and
adjust timing so BPW
baseline may be observed.
NOTE: If HE loss continues
in 1:2 assist, perform leak test.
Change to PEAK trigger
mode. Set deflation earlier.
Check tubing for kinks.
Find and straighten kink.
Verify IAB is out of sheath.
Reposition IAB as needed.
Automatic Response Alarms
8-15