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Resting ECG Lead Placement & Coding Chart
AHA
STANDARD LIMB LEADS
LEAD
CONNECTED /
MEASURED
LEAD I
LEAD II
LEAD III
AUGMENTED LIMB LEADS
CONNECTED /
LEAD
MEASURED
aVR
RA and (LA-LL)
aVL
LA and (RA-LL)
aVF
LL and (RA-LA)
CHEST LEADS
CONNECTED /
LEAD
MEASURED
V
V
and (LA-RA-LL)
1
1
V
V
and (LA-RA-LL)
2
2
V
V
and (LA-RA-LL)
3
3
V
V
and (LA-RA-LL)
4
4
V
V
and (LA-RA-LL)
5
5
V
V
and (LA-RA-LL)
6
6
PLACEMENT OF THE CHEST SENSORS
V
1
V
2
V
3
V
C
1
C
2
C
3
C
070-1149-01 B
LEAD CODING AND MEASUREMENTS
SENSORS
LA-RA
LEAD
LL-RA
RL
LL-LA
LL
RA
LA
V
1
V
SENSORS
2
V
3
V
4
V
5
V
6
LEAD
SENSORS
N
F
R
L
C
1
C
2
C
3
C
4
C
5
C
6
V
V
V
V
V
V
6
5
4
V
V
C
C
C
C
C
C
6
5
C
4
C
AHA COLOR CODE
BAND
LABEL
LOCATION
GREEN
RIGHT LEG
RED
LEFT LEG
WHITE
RIGHT ARM
BLACK
LEFT ARM
BROWN
RED
CHEST
BROWN
YELLOW
CHEST
BROWN
GREEN
CHEST
BROWN
BLUE
CHEST
BROWN
ORANGE
CHEST
BROWN
VIOLET
CHEST
IEC COLOR CODE
LOCATION
BAND
LABEL
RIGHT LEG
BLACK
LEFT LEG
GREEN
RIGHT ARM
RED
LEFT ARM
YELLOW
CHEST
WHITE
RED
CHEST
WHITE
YELLOW
CHEST
WHITE
GREEN
CHEST
BROWN
WHITE
CHEST
BLACK
WHITE
CHEST
WHITE
VIOLET
AHA
Fourth intercostal space at right
1
margin of sternum
Fourth intercostal space at left
2
margin of sternum
Fifth intercostal space at junction
4
of left midclavicular line
Midway between position V
and
2
3
position V
4
At horizontal level of position V
at
4
5
left anterior axillary line
At horizontal level of position V
at
4
6
left midaxillary line
IEC
Fourth intercostal space at right
1
margin of sternum
Fourth intercostal space at left
2
margin of sternum
Fifth intercostal space at junction
4
of left midclavicular line
Midway between position C
and
2
3
position C
4
At horizontal level of position C
at
4
5
left anterior axillary line
At horizontal level of position C
at
4
6
left midaxillary line
Resting ECG Lead Placement & Coding Chart
IEC
STANDARD LIMB LEADS
SENSORS
CONNECTED /
LEAD
MEASURED
LEAD I
L-R
LEAD II
F-R
LEAD III
F-L
AUGMENTED LIMB LEADS
SENSORS
CONNECTED /
LEAD
MEASURED
aVR
R and (L-F)
aVL
L and (R-F)
aVF
F and (R-L)
CHEST LEADS
SENSORS
CONNECTED /
LEAD
MEASURED
C
C
and (L-R-F)
1
1
C
C
and (L-R-F)
2
2
C
C
and (L-R-F)
3
3
C
C
and (L-R-F)
4
4
C
C
and (L-R-F)
5
5
C
C
and (L-R-F)
6
6
PLACEMENT OF THE
LIMB SENSORS
I
RA
(R)
aVR
aVL
II
III
aVF
RL
LL
(N)
(F)
Eclipse Operating Instructions
LA
(L)
5-3
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