Ecg Acquisition; Lead Placement Overview - Welch Allyn Connex ECG Module Directions For Use Manual

ECG acquisition

For details on how the ECG module operates with the host device, see the ECG
section of the the Welch Allyn Connex® Devices directions for use.

Lead placement overview

Proper lead placement is important for a successful ECG. The most common ECG
problems are caused by poor electrode contact and loose leads.
The following table shows the relationships between IEC and AHA leads as well as their
placement.
IEC Lead
R
L
F
C or C1
N
WARNING Patient safety risk. To minimize interference and the danger of
burns to the patient, use only approved ECG cables. Keep the ECG cable as
far away as possible from any electrosurgical cables. Make sure that the
electrosurgical return conductor (neutral) is properly attached to the patient
and makes a good contact.
IEC Color AHA Lead
Red RA
Yellow LA
Green LL
White V or V1
Black RL
AHA Color Placement
White Right arm
Black Left arm
Red Left leg
Brown 4th intercostal (IC) space at right border of the
sternum
Green Right leg
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