CP 20_______________________________________________________________________Section 2
Patient Preparation
Correct electrode placement is important for acquiring a successful ECG (see Patient Hookup below). Consider
performing some patient preparation procedures to remove oils, lotions, and hair from the skin. Optimal skin
preparation includes exposing skin on hairy areas, scratching with abrading pad, wiping with alcohol and a dry
gauze pad.
TIP: Electrodes should be stored in an air-tight container. Electrodes will dry out if not
stored properly which will cause loss of adhesion and conductivity.
Patient Hookup
AHA IEC
AHA / IEC Standard Electrode Placement
V1/C1 Fourth Intercostal space at the right sternal border
V2/C2 Fourth Intercostal space at the left sternal border
V3/C3 Midway between V2 and V4
V4/C4 Fifth intercostals space at the left of the midclavicular line
V5/C5 Anterior axillary line at same horizontal level as V4
V6/C6 Mid-axillary line on same horizontal level as V4 and V5
RA/R Right deltoid or wrist
LA/L Left deltoid or wrist
RL/N Right thigh or ankle
LL/F Left thigh or ankle
2-5
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