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 'Pulse Volume Recording' 
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Searchterm 'Pulse Volume Recording' found in 3 articles
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Pulse Volume Recording
Pulse volume recording is a method in which air-filled cuffs are placed segmentally on a limb and a difference in the limb volume associated with arterial pulsation is translated into a waveform. Evaluation of waveform change in this plethysmographic technique indicates the probability of the presence of an obstruction.

See also Plethysmography.
Plethysmography
Plethysmography implies volume measurement procedures including air, impedance or strain gauge methods. Vascular plethysmography is a non-invasive measurement of the systolic blood pressure of a leg compared with that of an arm to determine circulatory capacity. The test is usually performed to rule out vascular blockages in the arms or legs, usually in combination with Doppler ultrasound.

See also Oculoplethysmography, and Pulse Volume Recording.
Waveform
The waveform is the record of a signal that varies over time. A blood flow signal for example, usually varies periodically with the cardiac cycle.

See also Coded Excitation, and Pulse Volume Recording.
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