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transfer function
Items for "transfer function"
Assessment of dynamic changes in cerebral autoregulation
Cerebral autoregulation (CA) is a control mechanism that adjusts cerebral vasomotor tone in response to changes in arterial blood pressure (ABP) to ensure a nearly constant cerebral blood flow...
Keywords: cerebral autoregulation, cross-correlation, transfer function, Wigner-Ville distribution
02/2007 | Biomedizinische Technik, Walter de GruyterEstimation of spontaneous baroreflex sensitivity using transfer function analysis: effects of positive pressure ventilation
To determine the short-term effects of non-invasive positive pressure ventilation (PPV) on spontaneous baroreflex sensitivity, we acquired time series of RR interval and beat-to-beat blood pressure in 55 healthy volunteers (mean age 46.5±10.5 years), who performed breathing tests on four occasions at frequencies of 12 and 15/min, with application of PPV of 5 mbar, and without positive pressure (control)...
Keywords: baroreflex sensitivity, pressure ventilation, sleep, transfer function
02/2007 | Biomedizinische Technik, Walter de GruyterDynamic coupling between heart rate and ventricular repolarisation
A novel model for the coupling between ventricular repolarisation and heart rate (QT/RR) is presented...
Keywords: QT/RR coupling, transfer function
06/2007 | Biomedizinische Technik, Walter de Gruyter