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Simultaneous measurement of steady-state and pulsatile optical density changes.

Authors
Upthegrove DD; Franz GN; Weber KC
Source
Med Biol Eng 1973 Nov; 11(6):780-784
NIOSHTIC No.
00024937
Abstract
A photosensitive detector unit, comprising an electronic circuit designed to linearize the output of a particular photocell operating at the isobestic point of blood, is tested in vitro by simultaneously recording the total optical density changes and pulsatile optical density changes observed when blood is perfused through a rigid tube and tubing capable of volume change. The results show different pulsatile optical density changes in waveform and temporal sequence for the rigid and distensible tubes.
Keywords
Measurement-instrumentation; Plethysmography; Blood-circulation; Cardiovascular-system-functions; Biological-engineering; Author Keywords: Optical density of blood
CODEN
MBENAU
Publication Date
19731101
Document Type
Journal Article
Fiscal Year
1974
NTIS Accession No.
NTIS Price
Issue of Publication
6
ISSN
0025-696X
NIOSH Division
ALORD
Source Name
Medical and Biological Engineering
State
WV
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