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Non-invasive measur...
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Laurent, Claes,1958-Linköpings universitet,Fysiologisk mätteknik,Tekniska högskolan
(author)
Non-invasive measurement of systolic blood pressure on the arm utilising photoplethysmography : development of the methodology
- Article/chapterEnglish2005
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LIBRIS-ID:oai:DiVA.org:liu-29570
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-29570URI
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https://doi.org/10.1007/BF02345134DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Photoplethysmography (PPG) can be used to measure systolic blood pressure at the brachial artery. With a specially designed probe, positioned in the most distal position beneath a pressure cuff on the upper arm, this is possible. The distance between the light source (880 nm) and the photodetector was 20 mm. A test was performed on neuro-intensive care patients by determining blood pressure from the PPG curves, and, when it was compared with systolic blood pressure obtained from inserted indwelling arterial catheters, a correlation factor of r=0.95 was achieved. The difference between blood pressure obtained using PPG and invasive blood pressure measurement was 3.9±9.1 mmHg (mean±SD), n=19. The depth to the brachial artery was 13.9±4.1 mm (mean±SD), n=18. A digital PPG system utilising pulsating light was also developed.
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Jönsson, Björn,1951-Östergötlands Läns Landsting,Linköpings universitet,Kärlkirurgi,Thorax-kärlkliniken,Hälsouniversitetet(Swepub:liu)bjojo48
(author)
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Vegfors, Magnus,1953-Östergötlands Läns Landsting,Linköpings universitet,Anestesiologi,Anestesi- och intensivvårdskliniken VIN,Hälsouniversitetet(Swepub:liu)magve87
(author)
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Lindberg, Lars-Göran,1951-Linköpings universitet,Fysiologisk mätteknik,Tekniska högskolan(Swepub:liu)larli69
(author)
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Linköpings universitetFysiologisk mätteknik
(creator_code:org_t)
Related titles
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In:Medical and Biological Engineering and Computing43:1, s. 131-1350140-01181741-0444
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