ECG/RESP Monitoring
11-44
11.7.2 Electrode Placement
Since the same electrodes are used for ECG and respiration monitoring, the
electrode placement is very important. Some patients, due to their clinical condition,
expand their chest laterally, causing a negative intrathoracic pressure. In these cases
it is better to place the two electrodes used for respiration monitoring laterally in the
right axillary and left lateral chest areas, at the maximum point of the breathing
movement, to optimize the respiratory waveform.
NOTE
z Please select the ECG cable with no resistance for RESP monitoring.
z To optimize the respiration waveform, place the RA and LA electrodes
horizontally when the ECG Lead I is selected, and place the RA and LL
electrodes diagonally when the ECG lead II is selected.
z Try to avoid placing the electrodes so the liver area and the ventricles of
the heart are in path between the electrodes used for respiration, to
avoid cardiac artifact to overlay on the ECG. This is particularly
important when monitoring neonate patients.
Electrode Placement of ECG Lead I Electrode Placement of ECG Lead II
Figure 11-32 Electrode Placement
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