Patient Monitor User’s Manual
6-1
Chapter 6 Measuring RESP
6.1 Principle of Measuring
Monitor measures RESP with the method of impedance.
When a patient exhales and inhales, changes will take place in
the size and shape of the thoracic cavity, causing consequent
changes in the impedance between the two electrodes installed at
the patient’s chest. Based on the cycle of impedance changes, the
respiration rate can be calculated. The measuring range of
respiration rate is from 0/minute to 150/minutes.
6.2 Preparatory Steps of Measurement
1） Plug the 5-lead ECG cable into the ECG socket of the
monitor.
2） Place the various pads of the electrodes onto the body of
patient and connect them to the relevant lead cables. At this
moment, the screen will show Resp waves and the RESP
rate will be calculated.
3） Set the parameters relevant to Resp monitoring.
To measure Resp parameters, it is unnecessary to use other
cables and it is only necessary to use the two RA and LL leads in
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