Physio-Control TrueCPR - Manual (Page 16)

10 TrueCPR Device Instructions for Use
Using the TrueCPR Device
Incorrect Compression Indicators
Rescue Breath Indicators and Tones
In No Airway mode, the device provides a countdown screen and tones to
indicate when you should prepare to give rescue breaths. The countdown is
followed by two ventilation prompts. The compression to breath ratio is 30:2.
Compression too
shallow: Arrow
appears. Compression > 6 cm:
Orange wedge appears
outside compression target
zone. Recoil incomplete:
Arrow appears.
Countdown to ventilation prompts. Three short tones sound.
Ventilation prompts. Two long tones indicate
when ventilations should occur. Resume chest
compressions immediately after the two tones.
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