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Ultrasonic doppler measurement of renal artery blood flow
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Beaver, W. L. Meindl, J. D. Freund, W. R. |
| Copyright Year | 1976 |
| Description | Studies were made of (1) blood flow redistribution during lower body negative pressure (LBNP), (2) the profile of blood flow across the mitral annulus of the heart (both perpendicular and parallel to the commissures), (3) testing and evaluation of a number of pulsed Doppler systems, (4) acute calibration of perivascular Doppler transducers, (5) redesign of the mitral flow transducers to improve reliability and ease of construction, and (6) a frequency offset generator designed for use in distinguishing forward and reverse components of blood flow by producing frequencies above and below the offset frequency. Finally methodology was developed and initial results were obtained from a computer analysis of time-varying Doppler spectra. |
| File Size | 4090995 |
| Page Count | 19 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19760023708 |
| Archival Resource Key | ark:/13960/t21c6rz1v |
| Language | English |
| Publisher Date | 1976-08-01 |
| Access Restriction | Open |
| Subject Keyword | Aerospace Medicine Heart Transducers Frequency Converters Renal Function Computation Calibrating Pressure Distribution Doppler Effect Arteries Blood Flow 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 |
