Table 4

Settings for detection of lowest flow velocity in the 150 μm vessel
Machine Pulse repetition frequency/velocity range Wall filter Doppler frequency
A 1.3 cm/second Level 1 8 MHz
B 125 Hz Level 1 10 MHz
C 150 Hz 15 Hz R1a
Db 200 Hz Level 1 10 MHz
Eb 1,000 Hz Low 12.5 MHz

aActual frequency not displayed on this machine. bNo flow detected in this vessel.

Ten Cate et al.

Ten Cate et al. Arthritis Research & Therapy 2013 15:R162   doi:10.1186/ar4345

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