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