Cerebral Blood Flow Determined by Saturation and Desaturation with Krypton 85 :
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چکیده
منابع مشابه
Cerebral Blood Flow Determined by Saturation and Desaturation with Krypton-85: an Evaluation of the Validity of the Inert Gas; Method of Kety and Schmidt.
• In the original inert gas method of Kety and Schmidt the saturation of the brain with the inert gas, N,,O, is followed for 10 minutes. In a group of subjects we have studied both the saturation and the desaturation of the brain with krypton as the inert gas. The results give an experimental demonstration of a relatively small systematic error inherent in the method apparently due to differenc...
متن کاملCerebral blood flow and metabolism studies comparing krypton 85 desaturation technique with argon desaturation technique using the mass spectrometer.
Cerebral Blood Flow and Metabolism Studies Comparing Krypton 85 Desaturation Technique With Argon Desaturation Technique Using the Mass Spectrometer • Average cerebral blood flow determinations were performed 26 times comparing argon desaturation curves measured by mass spectrometry to the krypton 85 desaturation technique of McHenry. During 17 of these studies krypton 85 and argon desaturation...
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• The development of the couutercnrrent hypothesis as an explanation for the osmotic gradient from cortex to papilla of the kidney has again stimulated investigation of the intrarenal distribution of blood flow. Theoretical considerations have emphasized the necessity of a relatively low medullary blood flow for the maintenance of this gradient. However, present methods of measuring renal blood...
متن کاملExternal measurement of regional cerebral blood flow in man by common carotid arterial injection of radioactive krypton-85 saline solution.
1) External recording of cerebral clearance was performed after Kr85 saline solution injection into the common carotid artery. Clearance curve thus obtained was divided into 3 exponentials. The 3rd phase represents mainly clearance of the area perfused with external carotid artery and the rest of the curve after subtraction of the 3rd phase can be treated in the similar way to that of reported ...
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ژورنال
عنوان ژورنال: Circulation Research
سال: 1965
ISSN: 0009-7330,1524-4571
DOI: 10.1161/01.res.16.1.26