Logiq; 500 Clinical Calculation Accuracy; Logiq 500 Clinical Calculation Accuracy - GE Logiq 500 User Manual

System Data
Basic Measurements (cont'd)
Measurement Units
Depth mm
Distance:
Axial mm
Lateral mm
Lateral mm
Lateral mm
Circumference:
Trace mm
Ellipse mm
Area:
2
Trace mm
2
Ellipse mm
Time s
Slope mm/s
Doppler SV Position mm
Velocity cm/s
Doppler Angle cm/s
Correction cm/s
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
CAUTION
.
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.
16–6
Useful Range Accuracy
"
Full Screen 5 % or 1 mm
"
"
Full Screen 5 % or 1 mm
"
Full Screen 5 % or 2 mm
Full Screen " 5 % or 4 mm
Full Screen 5 % or 4 mm
"
Full Screen " 10 % or 1 mm
Full Screen 5 % or 1 mm
"
"
Full Screen 5 % or 1 mm
Full Screen 5 % or 1 mm
"
Timeline Display 5 % or 10 ms
"
Timeline Display 5 % or 1 mm/s
"
Full Screen 2 mm
"
"
From 0 to 100 cm/s 10 % or 1 cm/s
From 100 to 130 cm/s 5 % or 1 cm/s
"
50 %
"
"
From 0 to 60 5 %
From 60 to 80 12 %
Limitations
or Conditions
Linear Probes
Convex Probes
Sector Probes
2
2
M or Doppler
M-Mode Only
Any Direction
PW Doppler
Color Flow
LOGIQ 500 Basic Users Manual
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