Chapter 19 Real CPR Help
19-6 www.zoll.com 9650-001355-01 Rev. M
Chest Compression Indicator (Adult Only)
This diamond-shaped figure provides a quick, overall indicator of how well the rescuer's
combined rate and depth of chest compressions match the AHA/ERC recommendations for
adult CPR.
The CPR Compression Indicator, also known as Perfusion Performance Indicator
TM
(PPI), is
first displayed as an empty diamond. This indicator starts to fill as compressions begin (filling
from the inside), and becomes completely filled when consistent chest compression depth
exceeding (AHA/ERC 2005: 1.75, AHA/ERC 2010: 2.0) inches and rate exceeding 90
compressions per minute (cpm) are achieved simultaneously. Should the chest compression rate
or depth begin to fall below the configured target levels, the indicator will only partially fill to
indicate the need for more rigorous efforts. Following the cessation of compressions, the
indicator’s fill level gradually decreases until a hollow outline is displayed after a short period
of time.
The CPR Compression Indicator is only available when using Adult CPR electrodes.
CPR Countdown Timer
The X Series unit displays a CPR Countdown Timer to indicate the time (in minutes and
seconds) left in the current CPR interval. It decrements the time until it reaches zero. The CPR
dashboard disappears if the CPR electrodes are disconnected.
CPR Idle Time Display
This display indicates the elapsed time in minutes and seconds since the last detected chest
compression. Ten seconds following the cessation of compressions, the idle time is displayed.
As soon as a new compression is detected, the idle time is removed from the screen. If no
compressions have been detected for at least 20 minutes, dashes (- - : - -) are displayed in this
time field.
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