Arrow AutoCAT 2 Series Operating Manual page 129

5 . O p e r a t i n g P r o c e d u r e s
5 . 2 : C l i n i c a l E n v i r o n m e n t s
Setup of Automatic Weaning Protocol
In addition to the use of the Assist Ratio and Balloon Volume keys on the AutoCAT
keypad to select the desired weaning parameters, the AutoCAT
and change these parameters and set a time for these reduced settings. At the end of the
selected time period, the user will be alerted to check the patient hemodynamic status
and continue weaning or resume full IABP support.
Setting Wean Parameters and START Weaning
To implement Weaning with the timer, Press HOME and WEANING SETUP. The
following options will appear:
1:X ASSIST
XXX%
VOLUME
RATIO
Press the parameter key under the function you want to change, note it will become
highlighted. Press the same key again and the following keys will appears:
1:X ASSIST
XXX%
VOLUME
RATIO
Use the < and > keys to set the parameter to the desired setting. When all settings are
made, press START WEANING. When the START WEANING key is pressed, the pump
will implement the new assist ratio and volume settings. This will cause the pump to
pause for 1 or 2 beats to make these adjustments. When weaning is started the message
"WEANING" will be displayed in the multifunction key area.
The timer will indicate the time remaining for these weaning settings. The seventh
multifunction key will change from START WEANING to 100% VOL @ 1:1. This key is
used to stop weaning and immediately return to full support at 100% IAB volume based
on the IAB connector at 1:1 assist ratio. The timer and the Full Support key will remain
in the multifunction key area whenever the weaning mode is in use.
STOP WEANING
Weaning can be suspended or terminated in several ways.
1. 100% VOL. @ 1:1 Key: This key will stop weaning and resume full support at 100%
Volume and 1:1 assist when it is pressed X 2.
2. Changing assist ratio: If the assist ratio is changed while weaning is in use, the
weaning program will be suspended. All previous weaning settings will be retained for
future use.
3. Changing IAB volume: If the IAB volume is changed while weaning is in use the
weaning program will be suspended. All previous weaning settings will be retained for
future use.
WEANING STEP COMPLETE:
When the timer expires for a weaning step, a Class 3 alert will be displayed:
Weaning the Patient
5-26
XX:XX
HRS. TIME
XX:XX <
HRS. TIME DECREASE
® 2 has the facility to select
> XX:XX
INCREASE HRS. LEFT
® 2
START
WEANING
START
WEANING