Samsung SONOACE R5 Instrukcja Użytkownika Pobierz pdf (Strona 145)

5-23

Chapter 5 Measurements And Calculations

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Vesl. Dist. (Vessel Distance)

Measure the width of a blood vessel and calculate TAMV and Volume Flow.

Stenosis Measurement

You can measure the stenosis of each blood vessel system by measuring and calculating an area or

distance.

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% StA (Stenosis Area)

Measure the area of the inner and outer walls of a blood vessel.

1. Select the %StA menu and the rst cursor will appear in 2D Mode.

2. Measure the area of the vessel’s outer wall using the Circ/Area measurement method.

3. When the second cursor appears, measure the area of the vessel’s inner wall under stenosis.

%Stenosis Area. = (Outer Area – Inner Area) / Outer Area x 100

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% StD (Stenosis Distance)

Measure the diameter of a blood vessel.

1. Select the %StD menu and the rst cursor will appear in 2D Mode.

2. Measure the total diameter of a blood vessel using the Distance measurement method.

3. When the second cursor appears, measure the diameter of the vessel’s inner wall under stenosis.

%Stenosis Dist. = (Outer Distance – Inner Distance) / Outer Distance x 100

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Samsung SONOACE R5 Instrukcja Użytkownika Strona 145