Samsung ACCUVIX XG Manuel d'utilisateur télécharger pdf (Page 270)

5-30

Operation Manual

Stenosis Measurement

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

distance.

■

% StA

Measure the area of the inner and outer walls of a blood vessel. StA stands for Stenosis Area.

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 ´ 100

■

% StD

Measure the diameter of a blood vessel. StD stands for Stenosis Distance.

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 ´ 100

Heart Rate Measurement

■

HR (Heart Rate)

You can calculate heart rates for a certain period of time.

1. Select HR in the measurement menu. A bar appears allowing you to specify a measurement

area.

2. Specify the measurement range.

X

Place the bar at a desired position with the trackball, and press the Set button.

3. The system measures the heart rate within the specied range automatically. The

measurement results are displayed on the screen.

1 2 ... 265 266 267 268 269 270 271 272 273 274 275 ... 373 374

Pas de commentaire

Samsung ACCUVIX XG Manuel d'utilisateur Page 270