User Manual corpuls
3
Operation – Monitoring and Diagnosis
ENG - Version 2.1 – P/N 04130.2 111
In case no therapy suggestion can be made for certain reasons, HES
®
provides
a coded explanation. See the following list for relevant codes:
Type Code Explanation
Localisation
of complexes
100 More than 30 QRS complexes found
110 Too few QRS complexes found
120 Too much line frequency noise (50 Hz)
QRS Typing 300 Too few QRS complexes for QRS typing
Wave
Recognition
602 The ECG contains only QRS complexes that have
been triggered by the pacer. No measurement or
diagnostics possible.
604 The intrinsic QRS complexes are rejected for
averaging by the program. No measurement or
diagnostics possible.
615 Too much line frequency noise (50 Hz)
620 Extreme line frequency noise (50 Hz)
Table 6-2 Coded Explanations by HES
®
6.3.4 Representative Cycle
To support the physician with the diagnosis, the corpuls
3
compiles a
representative cycle on the basis of the diagnostic ECG. The representative
cycle offers a visualisation of the „typical“ ECG complex and represents the
basis for ECG measurement and –interpretation for HES
®
Light and HES
®
. For
this, the recorded ECG complexes are analysed with regard to their morphology.
ECG complexes with a similar dominant morphology are averaged
mathematically and then represented visually.
If individual ECG complexes differ from the morphology of others, these are
marked (see Table 6-3) and not included into the representative cycle. The
intervals between the R-peaks (R-R interval) are denoted by a dash “-“.
Designation Explanation
+ Dominant ECG complex included for averaging
- Schematical distance between two ECG complexes
2, 3, 4 Extrasystole, type 2, 3 or 4.
X, U Excluded due to technical problems, e. g. malfunction,
unidentified aberrant form.
! Pacer pulse detected (Spike).
P Excluded due to deviating P-contours.
T Excluded due to deviating T-contours.
O Excluded due to deviating P- and T-contours
B Excluded due to base line fluctuations
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