The aim of this protocol is to evaluate the effects of sympathetic and parasympathetic stimulation on heart rate variability. Specifically, parasympathetic stimulation is accomplished with phenylephrine infusion which leads to a baroreflex mediated increase in parasympathetic tone. Sympathetic stimulation is performed with upright tilt and isoproterenol infusion.

Project Start
Project End
Budget Start
Budget End
Support Year
33
Fiscal Year
1994
Total Cost
Indirect Cost
Name
Northwestern University at Chicago
Department
Type
DUNS #
005436803
City
Chicago
State
IL
Country
United States
Zip Code
60611
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