A Quantitative Method for Studying Human Arterial Baroreflexes

Paper #:
  • 911562

Published:
  • 1991-07-01
Citation:
Eckberg, D., Fritsch, J., and Goble, R., "A Quantitative Method for Studying Human Arterial Baroreflexes," SAE Technical Paper 911562, 1991, https://doi.org/10.4271/911562.
Pages:
6
Abstract:
We describe a new system that delivers precise, stereotyped pressure changes to the human neck and elicits neurally-mediated heart rate changes.The centerpiece of this system is a Silastic chamber that is strapped to the anterior neck. This chamber is connected to a stepping-motor controlled bellows assembly. A strain-gauge transducer measures the intensity of pressure changes. The entire system is controlled by microprocessors, and both stimuli and responses are displayed on a digital oscilloscope.The end-product of this system is a reproducible baroreceptor stimulus-cardiac response relation that can be recorded rapidly and safely in astronauts in space.
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