1
Q
in flow represents
A
blood flow into lower extremities
2
Q
out flow represents
A
blood flow going out into the extremities
3
Q
pulsatility index (PI)
A
dividing peak to peak freq difference by mean freq
4
Q
acceleration time
prox art obstruction results in
A
slowing of time interval between the onset of systole to the point of max peak
5
Q
acceleration time example: acceleration time of > 133 msec suggest presence of
A
prox iliac disease
Ch 4: Doppler Waveform Analysis
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