User's Manual

SE-1010 PC ECG User Manual Preparations Before Operation
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Table 5-1 Electrodes and Their Identifiers and Color Codes
European American
WILSON FRANK Identifier Color Code Identifier Color Code
Right arm Right arm R Red RA White
Left arm Left arm L Yellow LA Black
Right leg Right leg N or RF Black RL Green
Left leg Left leg F Green LL Red
Chest 1 I C1 White/Red V1 Brown/Red
Chest 2 E C2 White/Yellow V2 Brown/Yellow
Chest 3 C C3 White/Green V3 Brown/Green
Chest 4 A C4 White/Brown V4 Brown/Blue
Chest 5 M C5 White/Black V5 Brown/Orange
Chest 6 H C6 White/Violet V6 Brown/Violet
5.4.1 Wilson Lead System
C1: Fourth intercostal space at the right border of the sternum
C2: Fourth intercostal space at the left border of the sternum
C3: Fifth rib between C2 and C4
C4: Fifth intercostal space on the left midclavicular line
C5: Left anterior axillary line at the horizontal level of C4
C6: Left midaxillary line at the horizontal level of C4