Measurement of Blood Flow and Venous Distensibility
Measurement of arterial and venous function can provide important insights regarding hemodynamic responses to behavioral stimuli that cannot be obtained from measurement of systemic arterial pressure alone. This chapter describes the use of Doppler flow probes for measuring flow within single arteries or veins, laser Doppler probes for measuring skin blood flow, and venous occlusion plethysmography for measuring limb blood flow. Finally, the use of venous occlusion plethysmography to assess venous distensibility is described. The goal is to provide an overview of the techniques and their relative advantages and disadvantages. References are provided for those wishing to examine techniques in further detail.
KeywordsBlood Flow Velocity Venous Occlusion Doppler Probe Limb Volume Cutaneous Blood Flow
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