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Non-invasive measur...
Non-invasive measurement of systolic blood pressure on the arm utilising photoplethysmography : development of the methodology
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- Laurent, Claes, 1958- (författare)
- Linköpings universitet,Fysiologisk mätteknik,Tekniska högskolan
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- Jönsson, Björn, 1951- (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Kärlkirurgi,Thorax-kärlkliniken,Hälsouniversitetet
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- Vegfors, Magnus, 1953- (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Anestesiologi,Anestesi- och intensivvårdskliniken VIN,Hälsouniversitetet
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visa fler...
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- Lindberg, Lars-Göran, 1951- (författare)
- Linköpings universitet,Fysiologisk mätteknik,Tekniska högskolan
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visa färre...
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(creator_code:org_t)
- 2005
- 2005
- Engelska.
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Ingår i: Medical and Biological Engineering and Computing. - 0140-0118 .- 1741-0444. ; 43:1, s. 131-135
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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.
Nyckelord
- MEDICINE
- MEDICIN
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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