User manual

Choosing a Report Format
2-9
Chapter 2
Recording an ECG
2Basic Measurements
The basic measurements table gives standard interval and duration measurements in
milliseconds, and limb lead axis measurements in degrees. These are representative
values for the dominant beat pattern in the ECG.
Computerized ECG measurements should always be reviewed and validated by a
qualified physician.
H Calibration Signal. See Table 2-6.
I Filter Settings:
* Artifact Filter (F)
* AC Filter()
* Frequency Response
*Baseline Wander (W)
J Cardiograph settings for speed, and for limb and chest lead sensitivity.
Table 2-5 Basic Measurements
Item Description Units
RATE Heart rate beats per minute
PR PR interval milliseconds
QRSD QRS duration milliseconds
QT QT interval milliseconds
QT
c
QT interval corrected for rate milliseconds
P Frontal P axis degrees
QRS Frontal mean QRS axis degrees
T Frontal T axis degrees
Table 2-4 Auto Report Annotations (Continued)
Description
NOTE