Lorrca MaxSis Program
Page 98 Lorrca Maxsis User Manual
Version 5.04 MRN-231-EN
6.10.1.1. Aggregation parameters explanation
The following result parameters are given in Results file and printed report:
Result parameter Description
Patient and sample data Contains patient and sample data:
Patient name, Blood donation time, Remarks, Date and
time, Sample start/end temperature.
Conventional parameters
Iscdis Average back-scatter intensity measured during
disaggregation (prior to syllectogram measurement)
Upstroke Change in back-scatter intensity due to RBC relaxation.
Isctop – Isc dis
Isc top Maximum back-scatter intensity recorded throughout
the syllectogram => Peak intensity (usually the top of
the syllectogram).
Isc½ Back-scatter intensity at t ½
(Isc½ = Isc top – (Amp/2)).
Isc0 Syllectogram base level (average of last 40 samples).
Note that the syllectogram duration must be long
enough to obtain a valid base level, i.e., at full
aggregation.
Amp Syllectogram amplitude (Isc top – Isc0) representing the
extent of aggregation.
Area A, Area B, AI See Appendix E.
t top Time at which the peak occurs within the syllectogram
(cup cessation is taken as t=0).
t ½ Time that elapses until the peak intensity is reduced by
half the amplitude (hence, at Isc ½).
FSAR Flow to Stasis Aggregation Ratio See Appendix E
Results of fit These results correspond to the selected syllectogram
fitting model.
Fit Indicates whether the fit was successful (Good) or not
(Bad). The fit is considered "Bad" if the Eof exceeds the
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