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Noninvasive monitor...
Noninvasive monitoring of systolic blood pressure on the arm utilizing photoplethysmography (PPG) : clinical report
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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)
- Linköpings universitet,Anestesiologi,Hälsouniversitetet
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- Eneling, Martin (författare)
- Linköpings universitet,Institutionen för medicinsk teknik,Tekniska högskolan
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- Lindberg, Lars-Göran, 1951- (författare)
- Linköpings universitet,Fysiologisk mätteknik,Tekniska högskolan
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(creator_code:org_t)
- Bellingham WA, USA : SPIE, 2004
- 2004
- Engelska.
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Ingår i: <em>Proc. SPIE</em> 5318, Advanced Biomedical and Clinical Diagnostic Systems II. - Bellingham WA, USA : SPIE. ; , s. 99-
- 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
- A soft (silicone) probe, containing six light emitting diodes (880 nm) and three photo detectors, utilizes photoplethysmography (PPG) to monitor pulsations from the brachialis artery under an occluding cuff during deflation. When the arterial pulse returns, measured by PPG, the corresponding pressure in the cuff is determined. This pressure is assumed to equal the systolic pressure. An assessment trial was performed on 21 patients (9 women and 12 men, aged 27-69) at the Neuro-Intensive care unit. Since the patients were already provided with arterial needles, invasive blood pressure could be used as the reference. By choosing a threshold, for detecting pulses, as a fraction (4%) of the maximum amplitude, the systolic blood pressure was underestimated (-0.57 mmHg, SD 12.1). The range of systolic pressure for the patients was 95.5 - 199.0 mmHg, n=14. The method is promising, but improvements still have to be made in order to improve the technique.
Nyckelord
- MEDICINE
- MEDICIN
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)