Spontaneous beat-by-beat fluctuations of total peripheral and cerebrovascular resistance in response to tilt.

Abstract

Beat-by-beat estimates of total peripheral resistance (TPR) can be obtained from continuous measurements of cardiac output by using Doppler ultrasound and noninvasive mean arterial blood pressure (MAP). We employed transfer function analysis to study the heart rate (HR) and vascular response to spontaneous changes in blood pressure from the relationships of… (More)

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@article{OLeary2004SpontaneousBF, title={Spontaneous beat-by-beat fluctuations of total peripheral and cerebrovascular resistance in response to tilt.}, author={Deborah D O'Leary and J. Kevin Shoemaker and Michael J. R. Edwards and Richard L. Hughson}, journal={American journal of physiology. Regulatory, integrative and comparative physiology}, year={2004}, volume={287 3}, pages={R670-9} }