HP PageWriter 100 User Manual page 77

Glossary
AC filter
A filter that screens out ECG artifact caused by
power line interference. This filter is built into the
cardiograph and cannot be disabled.
AHA leads
ECG lead names and identifying colors recommended
by the American Heart Association. Limb leads are
labelled RA, LA, LL, RL. Chest leads are labelled
Vl-V6. (See IEC leads)
alternating current (AC)
Electrical current provided by wall outlets. AC may
be either 60 or 50 Hz depending on country.
artifact
ECG waveform distortion that may diminish ECG
quality. ECG artifact (or noise) may be caused by
electrical interference, poor electrode connections, or
patient movement.
Auto ECG
Twelve-lead ECG recorded and analyzed over a ten
second period and printed in a predetermined format.
The PageWriter 100 prints Auto reports in a 3x4
format with one rhythm strip.
baseline wander
A slow upward or downward motion on the baseline
of any ECG waveform.
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