Samsung MySono U5 Bedienungsanleitung PDF herunterladen (Seite 174)

100

101

Operation Manual

5-14

D A/B

This is a basic measurement available in Spectral Doppler Mode only. You can specify two points in a

Spectral Doppler image and measure the velocity at each point to calculate the ratio of the velocity

between them.

1. Press the Caliper button and select D A/B in soft menu [1]. “D A/B” is displayed in the user

information area.

2. Specify two points for which to measure velocity.

X Use the trackball to place the cursor at the desired position and press the Set button.

3. Once measurement is taken, the result is displayed on the screen.

X V1: Velocity at Point 1

X V2: Velocity at Point 2

X PGmax: Max Pressure Gradient

X V1/V2: Ratio of Velocity

NOTE: If Application is set to Cardiac at Utility > Measure Setup > General > Caliper, the results

including Vmax, PGmax, PGmean, VTI, PHT, Acc, AccT, Dec and DecT will be shown on the screen.

D Trace

This is a basic measurement available in Spectral Doppler Mode only. You can specify a point in a

Spectral Doppler image and trace a curve from that point to calculate the velocity, integral value and

average velocity of blood ow.

1. Press the Caliper button and select D Trace soft menu [1]. “D Trace” is displayed in the user

information area.

2. Trace a curve. The measuring method is the same as in “Line Trace”.

3. Once measurement is taken, the result is displayed on the screen.

X PSV: Peak Systolic Velocity

X EDV: End Diastolic Velocity

X RI: Resistivity Index

X PI: Pulsatility Index

X S/D: Ratio of PSV to EDV

X Vmean: Average Velocity

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