Document no. M1144955-001
Filter filters the ECG signal high frequency noise and
slow respiratory artefacts.
Monit (monitor) filter is used in routine monitoring. It
effectively filters the artefacts caused by the
electrosurgery unit and respiration.
Diagn (diagnostic) filter is used if more accurate
information of the waveform is needed (e.g. of P-
wave or AV block). The diagnostic filter is more
susceptible both to high frequencies and baseline
wander than the monitor filter.
STfilt (ST filter) permits more accurate information of
ST segment. It filters the high frequency artefacts
caused by the electrosurgery unit, but catches the
slow changes in ST segment. The ST filter is more
susceptible to baseline wander than the monitor
filter.
5-lead cable selects five or three electrodes. With the
12-lead ECG the selection is automatic.
Pacemaker selects how to display the pacing pulse
of cardiac pacemaker. The selections are Show, Hide,
ON R and Sensit.
Hide, the pacing pulse is filtered away from ECG data.
Show, the pacer pulse is filtered away from ECG data
but the pulse is displayed as a constant height marker.
ON R, pacing pulses are not filtered away from ECG
data. This improves ECG monitoring with A-V
pacemaker patients, as QRS complexes are counted
even if the pacing pulse hits the QRS complex.
However, during asystole the monitor may count
pacing pulses as heart beats.
Sensit selection uses a more sensitive pacemaker
detection. Pacemaker spike is displayed on ECG.
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