Summary
Local heat clearance probes containing two measuring points each surrounded by a heating system, thus enabling an alternative heating of both points, were tested in model experiments and in the measuring of human muscle flood flow. Measurements with alternative heating of both measuring points at the same probe position allow the determination of the degree of homogeneity of local blood flow. Thus inhomogeneity errors in estimating the local heat clearance (heat transport index, HTI), which arise from the fact that the reference measuring point is always slightly coheated, can be avoided. With this modified technique, the chances of finding suitable probe, positions for the measurement of human muscle blood flow are significantly increased.
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Golenhofen, K., Felix, R. Local heat clearance probes with alternative heating and their application in the measuring of human muscle blood flow. Pflugers Arch. 331, 145–152 (1972). https://doi.org/10.1007/BF00587257
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DOI: https://doi.org/10.1007/BF00587257