Samsung ACCUVIX XG Manual do Utilizador descarregar pdf (Página 271)

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Chapter 5 Measurements and Calculations

OB Calculations

NOTE:

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Ductus Venosus, Fetal HR can only be measured in Doppler Mode.

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For information on basic measurements, please refer to “Basic Measurements” in this chapter.

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For references on measurement items, please refer to “Reference Manual – Part 1.”

Before Taking OB Measurements

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OB Basic Information

Enter the information required for OB diagnosis in the Patient Information window. The basic OB

information includes LMP (Last Menstrual Period) and Gestations.

Once LMP is entered, EDD (Estimated Delivery Date) and GA (Gestational Age) are calculated

automatically. LMP is required for the calculation of values such as EDD and SD in obstetrics

measurement.

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EDD(LMP) = LMP + 280 days

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GA(LMP) = Current System Date - LMP

When you input Ovulation Date, it creates LMP and GA(LMP), EDD(LMP) automatically.

LMP=Ovul.Date-14

Regardless of LMP, enter the EDD with a physician’s opinion into Estab. Due Date. If LMP is not

available, when Estab. Due Date is modified, LMP is automatically calculated and the “C” mark is

displayed next to the LMP information.

A maximum of four fetuses can be entered in the Gestations menu. The default value is ‘1’. In the

case of twins, enter ‘2’.

For further information about patient information menus and how to input patient information,

refer to “Entering Patient Data” in Chapter 3 “Setting”.

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OB Measurement Menu Settings

Set up the GA Equation, GA Table and OB measurement menus that are used in obstetrics

measurements. The user can manually write, back up or restore GA Tables. For more information

on the GA Equation and Table, refer to the Reference Manual.

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Samsung ACCUVIX XG Manual do Utilizador Página 271