Laerdal CPRmeter Mode D'emploi page 13

the patient chest is compressed by 50 mm / 2 inches.
Incomplete Release
If the CPRmeter detects that pressure is not fully
released between compressions, the release target
does not illuminate. If 4 consecutive compressions
fail to meet the release target, the display shows a
yellow arrow pointing to the compression release
target. Release pressure completely between
compressions.
IMPORTANT NOTE: Release pressure completely between compressions.
Compression Rate
If the CPRmeter detects that the compression
rate is greater than the target rate, the needle on
the compression rate indicator points to the right
of the green area. If the CPRmeter detects that the
compression rate is less than the target rate, the
needle on the compression rate indicator points to
the left of the green area.
Compression Counter
When compressions start, the CPRmeter display
shows a numerical compression counter. The
counter digits turn solid white between 25 and 30
compressions, as a guide to the responder when
performing a cycle of 30 compressions. Beyond 30
compressions, the counter digits flash solid white for
every tenth compression*.
The compression counter is reset after 3 seconds
without a compression.
* When performing continuous compression CPR on an intubated patient,
the compression counter may be used to time delivery of ventilations. At a
compression rate of 100 per minute: If a ventilation is delivered for every 10
continuous compressions, ventilation rate should be 10 per minute.
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Compression
Counter