NDLI: Increase in whole-body peripheral vascular resistance during three hours of air or oxygen prebreathing

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Increase in whole-body peripheral vascular resistance during three hours of air or oxygen prebreathing

Content Provider	NASA Technical Reports Server (NTRS)
Author	Stanford Jr., J. Riddle, J. R. Waligora, J. M. Dierlam, J. J. Horrigan Jr., D. J. Conkin, J.
Copyright Year	1984
Description	Male and female subjects prebreathed air or 100% oxygen through a mask for 3.0 hours while comfortably reclined. Blood pressures, heart rate, and cardiac output were collected before and after the prebreathe. Peripheral vascular resistance (PVR) was calculated from these parameters and increased by 29% during oxygen prebreathing and 15% during air prebreathing. The oxygen contributed substantially to the increase in PVR. Diastolic blood pressure increased by 18% during the oxygen prebreathe while stystolic blood pressure showed no change under either procedure. The increase in PVR during air prebreathing was attributed to procedural stress common to air and oxygen prebreathing.
File Size	554019
Page Count	22
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19840022615
Archival Resource Key	ark:/13960/t92855h48
Language	English
Publisher Date	1984-08-01
Access Restriction	Open
Subject Keyword	Aerospace Medicine Cardiovascular System Heart Rate Oxygen Blood Circulation Decompression Sickness Vasoconstriction Physiological Factors Blood Pressure Nitrogen Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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