Biomedical Engineering - Bioengineering of Physiological Control Systems

Mayer Waves

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MAYERWAV E SMayerWavesareSonicSLOWOSCILLATIONSoftheRRandSAPVA R I A B I U T Y,thathasbeendiscaricae200yearsago,butwhoseSOURCEisstileDISCUSSEDRECALLRRVariabilita =howtheRRInterval→HRChangesoverSEVERALBEATSHRIBPM)igo=HR("Z)=Rpr(s)SAPVariability=howtheSYSTOUCARTERIALPRESSOREchangesoverSEVERALBEATS RR andSAPUARIABILITYBathRR-VariabilityandSAP-Variabili ty areKnowntohave2mainComponentsin Frequency :i1......-i....... i .VERYHIGHCOHERENCE(=1)