Preparation and Lead Placement ECG Monitoring
4 - 20 0070- 0-0704-02 Passport V Operating Instructions
4.5.3.6 Lead Placement: Modified Chest Lead (MCL) Monitoring
The recommended lead placement for MCL monitoring is as follows.
FIGURE 4-17 MCL Monitoring with a
3-wire Lead Set (AHA)
FIGURE 4-18 MCL Monitoring with a
3-wire Lead Set (IEC)
• Place the RA (white) electrode under the
patient’s left clavicle, at the mid-
clavicular line within the rib cage frame.
• Place the LA (black) electrode on the
right sternal border, at the fourth
intercostal space within the rib cage
frame.
• Place the LL (red) electrode on the
patient’s lower left abdomen within the
rib cage frame.
Select ECG Lead I for MCL
1
monitoring.
Lead I is the direct electrical line between
the RA (white) electrode and the LA (black)
electrode.
Select ECG Lead II for MCL
6
monitoring.
Lead II is the direct electrical line between
the RA (white) electrode and the LL (red)
electrode.
• Place the R (red) electrode under the
patient’s left clavicle, at the mid-
clavicular line within the rib cage frame.
• Place the L (yellow) electrode on the
right sternal border, at the fourth
intercostal space within the rib cage
frame.
• Place the F (green) electrode on the
patient’s lower left abdomen within the
rib cage frame.
Select ECG Lead I for MCL
1
monitoring.
Lead I is the direct electrical line between
the R (red) electrode and the L (yellow)
electrode.
Select ECG Lead II for MCL
6
monitoring.
Lead II is the direct electrical line between
the L (red) electrode and the F (green)
electrode.
RA
LA
LL
Red
White
Black
R
L
F
Red
Green
Yellow
0