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Operator's Manual

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Monitoring Resp (Optional) Preparing for Resp Monitoring
TM80/TM70 Telemetry Monitor Operator’s Manual 9 - 3
9.3 Preparing for Resp Monitoring
9.3.1 Preparing the Patient
Proper skin preparation is essential in obtaining an accurate ECG reading. Electrode sites
should be clean and dry and should provide a smooth flat surface. Incidental electrical
activity and inaccurate readings may arise from incorrect skin preparation.
The following procedure is recommended for secure electrode application:
1. Shave the chest hair from the electrode sites in a circular area with a diameter of 2
to 4 inches.
2. Use a dry gauze pad to remove excess skin oils, skin cells and residue from the
electrode sites. Never rub the skin until it is raw or bleeding.
9.3.2 Placing the Electrodes
As the Respiration measurement adopts the standard ECG electrode placement, you can
use different ECG cables.
For more information, refer to "Placing the Electrodes" on page 7 - 5.
CAUTION
• Correct electrodes placement can help to reduce cardiac overlay: avoid
the liver area and the ventricles of the heart in the line between the
respiratory electrodes. This is particularly important for neonates.
• Some patients with restricted movements breathe mainly abdominally.
In these cases, you may need to place the left leg electrode on the left
abdomen at the point of maximum abdominal expansion to optimize
the respiratory wave.
• In clinical applications, some patients (especially neonates) expand their
chests laterally, causing a negative intrathoracic pressure. In these
cases, it is better to place the two respiration electrodes in the right
midaxillary and the left lateral chest areas at the patient’s maximum
point of the breathing movement to optimize the respiratory waveform.
• To optimize the respiration waveform, place the RA and LL electrodes
diagonally when monitoring respiration with ECG Lead II.
• Periodically inspect the electrode application site to ensure skin quality.
If the skin quality changes, replace the electrodes or change the applica-
tion site.