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Is cardiac autonomic modulation during upper limb isometric contraction and Valsalva maneuver impaired in COPD patients?
PURPOSE: To evaluate the heart rate variability (HRV) indices and heart rate (HR) responses during isometric contraction (IC) and Valsalva maneuver (VM) in COPD patients. METHODS: Twenty-two stable moderate to severe COPD patients were evaluated. R-R intervals were recorded (monitor Polar(®) S810i)...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Dove Medical Press
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5357074/ https://www.ncbi.nlm.nih.gov/pubmed/28331306 http://dx.doi.org/10.2147/COPD.S130428 |