7.14
Instructions for Use & Clinical Reference Manual (US)
LOW NATIVE HEART PULSATILITY (IMPELLA
®
2.5 AND IMPELLA CP
®
)
When a patient has poor native ventricular function, the placement signal may remain pulsatile;
however, the amplitude will be dampened.
In a situation of low native heart pulsatility, the Automated Impella
®
Controller may not be able
to determine the catheter position. You may see the following indication on the home screen:
Impella Position Unknown
In this situation, the screen will appear as shown in Figure 7.9.
Impella Flow
3.5
System Power
MUTE
ALARM
0 . 0
DISPLAY
0 . 0
MENU
PURGE
SYSTEM
Impella CP S/N: 123456
30 - 09 - 2012 05:30
100%
CONTROL
FLOW
A U T O
L/min
4.0 Max
________________________
3.0 Min
1 .
C on f i r m I m p ella p osi t i on w i t h i m a g i n g .
2 .
P ull I m p ella b a ck 2 cm .
I m p ella P osi t i on U n k n ow n
Purge System
Purge Pressure: 600 mmHg
Purge Flow: 20.0 ml/hr
Impella Position
Unk nown
Figure 7.9 Impella CP
®
Catheter Position Unknown (similar for Impella
®
2.5)
Actions to take:
1.
Assess cardiac function.
IMPELLA
®
2.5 OR IMPELLA CP
®
CATHETER OUTLET AREA ON OR NEAR
AORTIC VALVE
If the Impella
®
2.5 or Impella CP
®
Catheter outlet area is on or near the aortic valve, the catheter
may be too deep in the ventricle.
Actions to take:
1.
Assess and adjust Impella
®
Catheter position under fluoroscopic guidance.
2.
If unsuccessful, reduce the P-level to P-2 and gently pull the catheter back 2 cm to see
if the condition resolves.
Summary of Contents for Impella 2.5
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