
OB Measurements and Formulas
LOGIQ 500 Basic Users Manual
2276612–100 Rev. 0
9–14
European Method
CRL
JEANTY
GS
TOKYO
BPD
JEANTY
FL
JEANTY
AC
JEANTY
TAD
ERIKSEN
OB
Report
HC
JEANTY
OFD
HANSMAN
BD
JEANTY
Ft
PARIS
USER1
OB
Graph
OB
Report
ANATOMY
SURVEY
Select
Locatn
D/S
Ratio
RI
A/B
Ratio
TRACE
AUTO
Transf
CALCs
PI
1
HEART
RATE
OB
Graph
OB
Report
USER2
USER4
USER5
USER3
Transf CALCS is only available with Realtime Doppler Calculation option installed
Page 1
Page 2
Page 3
Page 4
Figure 9–4. European Sub-Menus
Calc
Mnemonic
Calc Name
Input
Measurements
Formula
Author
Reference
HR
Heart Rate
(beats/minute)
one 2 beat time
(Measured manually or
automatically)
HR[BPM]=
120[sec]/
2beat time[sec]
n/a
GS
Gestational Sac
one distance
Curve data is
available in the
Advanced Reference
Manual
Tokyo University
Method 1986,
6 by Univ. of Tokyo
CRL
Crown Rump
Length
one distance
Manual
JEANTY :
Radiology, 143 :
513 1982
BPD
Biparietal
Diameter
one distance
513, 1982
HC
Head
Circumference
circumference by trace,
ellipse, circle or two
distances
AC
Abdominal
Circumference
circumference by trace,
ellipse, circle or two
distances
FL
Femur Length
one distance
Curve data is
available in the
JEANTY :
Radiology, 143 :
BD
Binocular
Distance
one distance
available in the
Advanced Reference
Manual
Radiology, 143 :
513, 1982
Table 9–5. OB Calculation Formulas—European Version Factory Defaults
Summary of Contents for 500
Page 1: ... ...