Product Manual

Preparing the Patient
2040604-012D SEER
®
Light 3-5
Modified Z Leads
A modified Z lead (mZ) may be helpful in identifying ST segment changes
in ischemic episodes with an anteroposterior axis. The following are the
recommended electrode locations to record the modified V5 (mV5) leads
on channel 1, modified V1 (mV1) leads on channel 2, and Z leads on
channel 3.
048A & 049A
E Orange Orange CH 3 (+) maVF (+) Sixth rib, at the left mid-
clavicular line.
F Blue Blue CH 3 (-) maVF (-) Left clavicle, at the mid-
clavicular line.
G Green Black Ground Lower right chest wall.
AHA
Color
IEC
Color
Channel Lead Location
AHA
Color
IEC
Color
Channel Lead Location
A Red Yellow CH 1(+) mV5 (+) Fifth intercostal space at the
left axillary line.
B White Red CH 1 (-) mV5 (-) Right clavicle, just lateral to
the sternum.
C Brown Green CH 2 (+) mV1 (+) Fourth intercostal space at the
right sternal edge.
D
E
C
B
G
A
F
Front
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