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Figure
Figure
Figure
Figure 11-2
11-2
11-2
11-2 C-electrode
C-electrode
C-electrode
C-electrode placement
placement
placement
placement for
for
for
for 5-lead
5-lead
5-lead
5-lead set
set
set
set
Recommended
Recommended
Recommended
Recommended ECG
ECG
ECG
ECG Lead
Lead
Lead
Lead Placement
Placement
Placement
Placement for
for
for
for Surgical
Surgical
Surgical
Surgical Patients
Patients
Patients
Patients
Warning
Warning
Warning
Warning
When
When
When
When using
using
using
using Electrosurgery
Electrosurgery
Electrosurgery
Electrosurgery equipment,
equipment,
equipment,
equipment, leads
leads
leads
leads should
should
should
should be
be
be
be placed
placed
placed
placed in
in
in
in a
a
a
a position
position
position
position in
in
in
in equal
equal
equal
equal distance
distance
distance
distance
from
from
from
from Electrosurgery
Electrosurgery
Electrosurgery
Electrosurgery electroto
electroto
electroto
electroto m
m
m
m e
e
e
e and
and
and
and the
the
the
the grounding
grounding
grounding
grounding plate
plate
plate
plate to
to
to
to avoid
avoid
avoid
avoid cautery
cautery
cautery
cautery .
.
.
. Electrosurgery
Electrosurgery
Electrosurgery
Electrosurgery
equipment
equipment
equipment
equipment wire
wire
wire
wire and
and
and
and ECG
ECG
ECG
ECG cable
cable
cable
cable must
must
must
must not
not
not
not be
be
be
be tangled
tangled
tangled
tangled up.
up.
up.
up.
The placing of the ECG leads will depend on the type of surgery that is being performed. For example,
with open chest surgery the electrodes may be placed laterally on the chest or on the back. In the
operating room, artifacts can sometimes affect the ECG waveform due to the use of ES (Electrosurgery)
equipment.
To
help reduce this you can place the electrodes on the right and left shoulders, the right
and left sides near the stomach, and the chest lead on the left side at mid-chest. Avoid placing the
electrodes on the upper arms, otherwise the ECG waveform will be too small.
Warning
Warning
Warning
Warning
When
When
When
When using
using
using
using Electrosurgery
Electrosurgery
Electrosurgery
Electrosurgery equipment,
equipment,
equipment,
equipment, never
never
never
never place
place
place
place an
an
an
an electrode
electrode
electrode
electrode near
near
near
near the
the
the
the grounding
grounding
grounding
grounding plate
plate
plate
plate of
of
of
of the
the
the
the
Electrosurgery
Electrosurgery
Electrosurgery
Electrosurgery device,
device,
device,
device, otherwise
otherwise
otherwise
otherwise there
there
there
there will
will
will
will be
be
be
be a
a
a
a great
great
great
great deal
deal
deal
deal of
of
of
of interference
interference
interference
interference with
with
with
with the
the
the
the ECG
ECG
ECG
ECG signal.
signal.
signal.
signal.
■ Using 5-lead ECG set
The default setting is ECG CH1 corresponding to Channel II, and ECG CH2 to Channel I, you can
modify the setting to meet your needs. You can set them to correspond to any two from I, II, III,
a VR, a VL, a
VF.
,
V.
If you set both to the same value, one of them will be adjusted to another option
automatically. (Figure 11-3 )
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