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9 CPR Assistance
9.1 CPR Assistance Introduction
• Perform CPR on a patient on firm ground if possible. When you perform CPR on a patient lying on a
mattress, a backboard must be used to limit the amount of compressed depth which is absorbed by
the mattress. Depending on characteristics of the mattress, backboard and patient, the
compensation depth does not guarantee that the patient chest is compressed by 50 mm.
• When the patient is breathing with high frequency or in the treatment of high-frequency
ventilation, the CPR assistance disturbed by the thoracic movements may provide inaccurate
feedback. You should count compressions by yourself and not rely on the compression rate provided
by the CPR assistance in such conditions.
• The CPR assistance is not intended for use in a moving environment, such as an ambulance. If used
during patient transport, the CPR assistance may provide inaccurate feedback. If CPR is indicated in
a moving environment, do not rely on feedback provided by the CPR assistance in such conditions.
• The CPR sensor is not available in the markets of UK, Germany and France.
9.2 Using CPR Metronome
• The CPR metronome sounds do not indicate information regarding the patient’s condition. Because
patient status can change in a short time, the patient should be assessed at all times. Do not perform
CPR on a patient who is responsive or is breathing normally.
• The CPR metronome is disabled when [Voice Prompts] in the [AED Setup] menu is configured off
through the Configuration Main menu.
• The volume of CPR metronome is affected by [Voice Volume] in the [AED Setup] menu configured
through the Configuration Main menu.
9.3 Using CPR Filter
• The CPR filter works only when you perform CPR using electrode pads or the CPR sensor in the AED
or Manual Defib mode.
• The CPR filter will not remove all CPR artifact. You should always follow the standard procedure of
stopping CPR to verify the patient’s ECG rhythm before making treatment decisions.
• The filtered ECG waveform must be used in conjunction with clinical signs and symptoms. It should
not be used as the sole basis for diagnosis or therapy decisions.
• There is a slight delay between the original and filtered ECG waveforms.
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