Strain-gauge versus water plethysmography description of simplified systems and analysis of differences and accuracy
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Strain-gauge versus water plethysmography description of simplified systems and analysis of differences and accuracy. / Paulev, Poul-Erik; Neumann, Flemming; Levin Nielsen, Steen; Keiding, Niels.
I: Medical & Biological Engineering, Bind 12, Nr. 4, 07.1974, s. 437-445.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Strain-gauge versus water plethysmography description of simplified systems and analysis of differences and accuracy
AU - Paulev, Poul-Erik
AU - Neumann, Flemming
AU - Levin Nielsen, Steen
AU - Keiding, Niels
PY - 1974/7
Y1 - 1974/7
N2 - Recently developed water and strain-gauge plethysmographs are compared on the same forearm. They do not differ systematically in absolute blood-flow values at different steady-state levels, provided that the strain gauge is applied at the middle, muscular, part of the forearm. The accuracy of the water and strain-gauge plethysmograph is identical, and the two instruments closely follow random variations in blood flow. The water plethysmograph is a reliable integrator of blood flow in a segment of a limb, and the strain-gauge described here can be used as an adequate substitute, when placed in the middle of the limb segment examined. However, the results from the strain-gauge plethysmograph are dependent on the actual location of the strain gauge.
AB - Recently developed water and strain-gauge plethysmographs are compared on the same forearm. They do not differ systematically in absolute blood-flow values at different steady-state levels, provided that the strain gauge is applied at the middle, muscular, part of the forearm. The accuracy of the water and strain-gauge plethysmograph is identical, and the two instruments closely follow random variations in blood flow. The water plethysmograph is a reliable integrator of blood flow in a segment of a limb, and the strain-gauge described here can be used as an adequate substitute, when placed in the middle of the limb segment examined. However, the results from the strain-gauge plethysmograph are dependent on the actual location of the strain gauge.
KW - forearm blood flow
KW - strain-gauge plethysmograph
KW - Venous occlusion plethysmography
KW - water plethysmograph
UR - http://www.scopus.com/inward/record.url?scp=0016236986&partnerID=8YFLogxK
U2 - 10.1007/BF02478599
DO - 10.1007/BF02478599
M3 - Journal article
C2 - 4465559
AN - SCOPUS:0016236986
VL - 12
SP - 437
EP - 445
JO - Medical and Biological Engineering and Computing
JF - Medical and Biological Engineering and Computing
SN - 0140-0118
IS - 4
ER -
ID: 202486068