GE Logiq 500, User Manual

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System Data
LOGIQ 500 Basic Users Manual
2233658–100 Rev. 0
16–6

Basic Measurements (cont’d)
Measurement Units Useful Range Accuracy
Limitations
or Conditions
Depth mm Full Screen
"
5 % or 1 mm
Distance:
Axial
Lateral
Lateral
Lateral mm
mm
mm
mm Full Screen
Full Screen
Full Screen
Full Screen
"
5 % or 1 mm
"
5 % or 2 mm
"
5 % or 4 mm
"
5 % or 4 mm
Linear Probes
Convex Probes
Sector Probes
Circumference:
Trace
Ellipse mm
mm Full Screen
Full Screen
"
10 % or 1 mm
"
5 % or 1 mm
Area:
Trace
Ellipse mm
2
mm
2
Full Screen
Full Screen
"
5 % or 1 mm
2
"
5 % or 1 mm
2
Time s Timeline Display
"
5 % or 10 ms M or Doppler
Slope mm/s Timeline Display
"
5 % or 1 mm/s M-Mode Only
Doppler SV Position mm Full Screen
"
2 mm Any Direction
Velocity cm/s From 0 to 100 cm/s
From 100 to 130 cm/s
"
10 % or 1 cm/s
"
5 % or 1 cm/s
"
50 %
PW Doppler
Color Flow
Doppler Angle
Correction cm/s
cm/s From 0
°
to 60
°
From 60
°
to 80
°
"
5 %
"
12 %
Table 16–1. System Measurements and Accuracies
LOGIQ

500 Clinical Calculation Accuracy
Estimate the overall inaccuracy of a combined measurement
and calculation by including the stated inaccuracy from the
basic measurement accuracy statements.
Diagnostic errors may result from the inappropriate use of
clinical calculations. Review the referenced source of the
stated formula or method to become familiar with the intended
uses and possible limitations of the calculation.
Calculation formulas and databases are provided as a tool to
assist the user, but should not be considered an undisputed
database, in making a clinical diagnosis. The user is
encouraged to research the literature and judge the equipment
capabilities on an ongoing basis in order to assess its utility as
a clinical tool.
CAUTION
.