Angioscan Electronics AngioScan-01, User Manual, Page: 46 / 119

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© 2014 AngioScan-Electronics LLC
AngioScan Medical Tests
4.1.4.16 dTpp
This time parameter is the time between the peaks of the direct (early systolic) and the reflected (late
systolic) waves. The longer is this time interval, the more elastic is the aorta.
The parameter has a diagnostic value only when its values are either zero or negative (pulse waves of
types C and B). The parameter has no diagnostic value when the pulse waves are of the type A.
4.1.4.17 QI - Quality Index
This parameter characterizes the percentage of the selected pulse waves from the total number of the
pulse waves that took place during the recording time.