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Perfusion Changes at the Forehead Measured by Photoplethysmography during a Head-Down Tilt Protocol
Photoplethysmography (PPG) signals from the forehead can be used in pulse oximetry as they are less affected by vasoconstriction compared to fingers. However, the increase in venous blood caused by the positioning of the patient can deteriorate the signals and cause erroneous estimations of the arte...
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| Publicado no: | Biosensors (Basel) |
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| Main Authors: | , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
MDPI
2019
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6628167/ https://ncbi.nlm.nih.gov/pubmed/31137891 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3390/bios9020071 |
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