Respiration drives phase synchronization between blood pressure and RR interval following loss of cardiovagal baroreflex during vasovagal syncope

Loss of the cardiovagal baroreflex (CVB), thoracic hypovolemia, and hyperpnea contribute to the nonlinear time-dependent hemodynamic instability of vasovagal syncope. We used a nonlinear phase synchronization index (PhSI) to describe the extent of coupling between cardiorespiratory parameters, systo...

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Autores principales: Ocon, Anthony J., Medow, Marvin S., Taneja, Indu, Stewart, Julian M.
Formato: Artigo
Lenguaje:Inglês
Publicado: American Physiological Society 2011
Materias:
Cardiovascular Neurohormonal Regulation
Acceso en línea:https://ncbi.nlm.nih.gov/pmc/articles/PMC3044066/
https://ncbi.nlm.nih.gov/pubmed/21076019
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1152/ajpheart.00257.2010
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