Philips DigiTrak XT Instructions For Use Manual page 21

Figure 1-1
White (-)
Brown (+)
Lead colors for EASI Holter hookups are different from those used for EASI telemetry hookups. Lead
CAUTION
placements are the same.
Electrode
E (Brown)
A (Black)
S (Red)
I (White)
Ground (Green)
Raw Channel
Channel 1
Channel 2
Channel 3
Electrode Placement
Placement
Level of 5th intercostal space, midsternum
Same level as E and I, left mid-axillary line
Top of sternum (manubrium)
Same level as E and A, right mid-axillary line
Center of sternum or any convenient location
Description
E (+) to S (-)
Similar to MC V1, anterior view of the heart
A (+) to S (-)
Similar to MC V6, a lateral view of the heart -- useful for ST
measurements
A (+) to I (-)
CC6, similar to the inferior lead aVF – approximation suitable for ST
measurements
Red (-)
Green
Black (+)
DigiTrak XT Recorder Instructions for Use
Getting Started
1-13