Diagnostics
Photoplethysmography enables non-invasive muscle blood perfusion monitoring
Published in Medical Devices and Surgical Technology Week, May 29th, 2005
Scientists in Sweden conducted a study "to evaluate a specially developed" PPG technique, "using green and near-infrared light sources, for simultaneous non-invasive monitoring of skin and muscle perfusion."
"Evaluation was based on assessments of changes in blood perfusion to various provocations, such as post-exercise hyperemia and hyperemia following the application of liniment," explained M. Sandberg and coauthors at Linkoping University Hospital. "The deep penetrating feature of PPG was investigated by measurement of optical radiation inside the...
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