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HAFSTRÖM, LARSOLOF, et al.
(författare)
Measurements of cardiac output and organ blood flow in rats using 99Tcm labelled microspheres
1979
Ingår i: Acta Physiologica Scandinavica. - : Wiley. - 0001-6772 .- 1365-201X. ; 106:2, s. 123-128
Tidskriftsartikel (refereegranskat) abstract
The cardiac output and regional blood flow have been simultaneously determined in the anesthetized rat by using the reference organ method. 99Tcm labelled dextran 15 μm microspheres were injected in the left ventricle while simultaneously an arterial reference sample was drawn at constant known rate. The values calculated regarding cardiac output agree well with previously recorded series. Regional organ blood flow in the rat is presented as ml. min‐1. g‐1 tissue and values do agree with those reported by others. The results indicate that the reference organ method can be used in the rat for the study of cardiac output and regional blood flow.
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Maly, Pavel, et al.
(författare)
Strahlendosis bei renaler Vergrosserungsangiographie im Vergleich mit konventioneller Angiographie
1978
Ingår i: Radiologe. - 0033-832X. ; 18:5, s. 175-178
Tidskriftsartikel (refereegranskat) abstract
Measurements of skin dose, integrated skin dose area, and integral dose in combined conventional and magnification renal angiography using lanthanoxibromide screens MR 600 and carbon fibre plate in filmchangertop have been made. The mean skin dose in magnification technique was 0.56 rad./film with focus-skin distance of 35 cm, FFD 1 m, 85-90 kV and sagittal diameter of abdomen of 20 cm. The combination of angiographic technique with and without magnification and the use of a high-sensitivity receiving unit makes it possible to keep the total skin dose per investigation (8.5 rad.) within the limits accepted in conventional abdominal angiography.
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Noz, Marilyn E., et al.
(författare)
A modular computer system for the Nuclear Medicine/ultrasound laboratory : A multidisciplinary proposal
1977
Ingår i: Journal of medical systems. - 0148-5598 .- 1573-689X. ; 1:3, s. 251-261
Tidskriftsartikel (refereegranskat) abstract
In many nuclear Medicine studies computer-controlled graphic displays are an absolute necessity for obtaining meaningful results. Design criteria developed by an interdisciplinary scientific panel are presented to achieve a display system based on television technology; an instrument interface employing list mode using bubble-memory storage technology, thus having a low information-loss rate; and flexible modular software easily tailored to the specific needs of both clinicians and technicians. The panel considers a minicomputer system with broad, flexible applications to be a valuable tool, particularly in doing those function studies that only can be done via nuclear medicine techniques. The final specifications ultimately allow the selection of a vendor and hospital installation, even though all criteria are not currently achievable.
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Noz, Marilyn E., et al.
(författare)
A modular computer system for the nuclear medicine/ultrasound laboratory
1977
Ingår i: Radiology. - : Radiological Society of North America. - 0033-8419 .- 1527-1315. ; 124:3, s. 759-762
Tidskriftsartikel (refereegranskat) abstract
Computer-controlled graphic displays are a necessity in many nuclear medicine studies. The authors propose using a set-up consisting of three modules: (a) a display system based on television technology; (b) an instrument interface employing list mode and having a low information loss rate; and (c) flexible modular software which can easily be tailored to the needs of both radiologists and technicians. The authors consider a mini-computer system with broad, flexible applications to be a valuable tool, particularly for those function studies which can only be done by means of nuclear medicine techniques.
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