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The effects of passive leg raising may be detected by the plethysmographic oxygen saturation signal in critically ill patients
BACKGROUND: A passive leg raising (PLR) test is positive if the cardiac index (CI) increased by > 10%, but it requires a direct measurement of CI. On the oxygen saturation plethysmographic signal, the perfusion index (PI) is the ratio between the pulsatile and the non-pulsatile portions. We hypot...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6339274/ https://www.ncbi.nlm.nih.gov/pubmed/30658663 http://dx.doi.org/10.1186/s13054-019-2306-z |