Samsung SONOACE R5 Manual do Utilizador descarregar pdf (Página 145)

5-23

Chapter 5 Measurements And Calculations

■

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.

■

% 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

■

% 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

1 2 ... 140 141 142 143 144 145 146 147 148 149 150 ... 171 172

Sem comentários

Samsung SONOACE R5 Manual do Utilizador Página 145