Customizing Your System
4-20 Venue 50 – Basic User Manual
Direction 5446729-100 English
Rev. 7
Table 4-9: Obstetrics settings
Preset Parameter Description
OB Type Select which OB measurements and calculations studies to use: USA,
Europe, Tokyo, Osaka, or ASUM.
EFW Format Select the source used to calculate EFW (Estimated Fetal Weight): Hadlock,
Tokyo or Osaka.
OB Table Select Hadlock82 or Hadlock 84.
CUA/AUA Select the ultrasound age calculation method in this field. CUA: Composite
Ultrasound Age, regression calculation; AUA: Average Ultrasound Age, an
arithmetic average.
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