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Published byElisabeth Simons Modified over 5 years ago
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Photoplethysmographic selection of amputation level in peripheral vascular disease
Theodore A.A. van den Broek, MD, Boudewijn J. Dwars, MD, Jan A. Rauwerda, MD, PhD, Fred C. Bakker, MD, PhD Journal of Vascular Surgery Volume 8, Issue 1, Pages (July 1988) DOI: / (88) Copyright © 1988 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions
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Fig. 1 Method of application of the photoplethysmographic transducer.
Journal of Vascular Surgery 1988 8, 10-13DOI: ( / (88) ) Copyright © 1988 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions
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Fig. 2 Bichannel recording of cuff pressure (upper curve) and PPG (lower curve) at 5 mm/sec. Skin perfusion pressure is 34 mm Hg. Journal of Vascular Surgery 1988 8, 10-13DOI: ( / (88) ) Copyright © 1988 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions
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Fig. 3 Different presentations of the baseline: (a) ascending baseline, SPP = 33 mm Hg; (b) aberrant curve with partial contradictary bending, sometimes seen in low SPPs; SPP is 24 mm Hg; (c) descending baseline, SPP = 31 mm Hg; (d) horizontal baseline, SPP = 35 mm Hg. Journal of Vascular Surgery 1988 8, 10-13DOI: ( / (88) ) Copyright © 1988 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions
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