4Therapy
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LIFEPAK 20 Defibrillator/Monitor Operating Instructions 4-11
©2002–2013 Physio-Control, Inc.
• If you did witness the arrest, you should press ANALYZE and proceed directly to analysis. This will
end the CPR period and you will see and hear
ANALYZING NOW, STAND CLEAR.
Note: The decision to end CPR early is based on your hospital protocol.
• If you did not witness the arrest, you should perform CPR and not press
ANALYZE. The Initial CPR
countdown timer continues for the duration specified in the
INITIAL CPR TIME setup option, for
example, 90 seconds. When initial CPR time ends, you will see and hear
PUSH ANALYZE.
Initial CPR - Analyze First
When the
INITIAL CPR option is set to ANALYZE FIRST, you will be prompted to perform analysis after the
AED is turned on. CPR is prompted after the AED completes the analysis.
If the electrodes are not attached to the patient, you will see and hear
CONNECT ELECTRODES before
you are prompted to perform analysis.
No Shock Advised
When initial CPR time ends, you will see and hear NO SHOCK ADVISED followed by PUSH ANALYZE.
Shock Advised
After 3 seconds, a countdown timer
continues for the duration specified in the
initial CPR period and you will see and hear
IF YOU WITNESSED THE ARREST, PUSH
ANALYZE
. This provides an opportunity to end
the initial CPR early and proceed to analysis.
If the AED detects a nonshockable rhythm,
you will be prompted to START CPR. A
countdown timer (min:sec format) continues
for the duration specified in the
INITIAL CPR
TIME
setup option. (Refer to Section 8).
If the AED detects a shockable rhythm, you
will see and hear
START CPR followed by IF
YOU WITNESSED THE ARREST, PUSH
ANALYZE
. This provides an opportunity to
end the initial CPR early and proceed
directly to delivering a shock.
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