Samsung MySono U5 Uživatelský manuál stáhnout pdf (Strana 188)

Operation Manual

5-28

OB Calculations

Before Obtaining OB Calculations

■

OB Basic Information

Enter the information required for OB diagnosis in the Patient Information screen. 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.

X EDD(LMP) = LMP + 280days

X GA(LMP) = Current System Date - LMP

To enter a due date determined by the doctor instead of the one based on LMP, enter it in Estab.

Due Date. If no LMP value has been entered, LMP is automatically calculated whenever Estab. Due

Date is changed. When this happens, a ‘C’ label is shown 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 enter patient information,

refer to ‘Entering Patient Data’ in Chapter 3. “Starting Diagnosis”.

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OB Measurement Menu Setup

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

measurements. You can manually write, back up and restore GA Tables. For more information on

GA Equation and Table, see the Reference Manual.

For other measurement-related menu items and settings, see the ‘Setting Measurements’ section in

Chapter 7. “Utilities” of this manual.

NOTE: For twins, distinguish fetuses by specifying them as Fetus A and Fetus B in the measurement

menu. Press the Change button on the control panel to select another fetus to measure.

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Samsung MySono U5 Uživatelský manuál Strana 188