Samsung SONOACE R7 Uživatelský manuál stáhnout pdf (Strana 215)

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Chapter 5 Measurements and Calculations

 FTA

This is automatically calculated using the following formula, provided there are measured APD and TAD

values.

 ThC

This is automatically calculated using the following formula, provided there are measured APTD and TTD

values.

 AFI (Amniotic Fluid Index)

Measure the amniotic uid index. Measurements are performed by dividing the pregnant woman’s

abdomen into four parts. The distance between the fetus and the farthest point of each area is measured.

To obtain a specic image from each quadrant plane, press the

Freeze

button to go to the diagnosis mode.

After obtaining the image, press the

Freeze

button again to return to the measurement mode.

 Calculating Fetal Weight (EFW)

When measurements for the following items are complete, the system uses the results to calculate the

estimated fetal weight automatically. For an equation for calculating fetal weight, please refer to “Estimated

Fetal Weight Formula” in the Reference Manual Part 1.

X BPD and AC

X BPD, FL and FTA

X BPD, APTD, TTD and FL

X BPD, APTD, TTD and SL

X BPD and TTD

X AC and FL

X BPD, AC and FL

X HC, AC and FL

X BPD,HC, AC and FL

X AC

NOTE: For reference, the Osaka University /Tokyo University methods are mainly used in Asia, the

Merz method in Europe, and the Shepard/ Hadlock methods on the American continent.

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Samsung SONOACE R7 Uživatelský manuál Strana 215