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Table 3 Lowest detected flow velocity resulting in a continuous positive power Doppler ultrasound signal

From: Very different performance of the power Doppler modalities of several ultrasound machines ascertained by a microvessel flow phantom

Machine

2,000 μm vessel

1,000 μm vessel

150 μm vessel

A

4

2.22

11.1

B

0.005

0.06

0.11

C

1

0.56

1.68

D

1

0.56

Not detected

E

0.5

0.33

Not detected

  1. Flow velocity (mm/second).
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Arthritis Research & Therapy

ISSN: 1478-6362

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