| Use of arterialized venous blood sampling during incremental exercise tests. | |
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MedLine Citation:
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PMID: 1400059 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Close agreement between arterialized venous and arterial pH, PCO2, and lactate has previously been demonstrated during steady-state exercise. The purpose of the present study was to compare arterialized venous and arterial pH, PCO2, K+, lactate, pyruvate, and epinephrine during the constantly changing circumstances of an incremental exercise test. Eight normal subjects undertook an incremental exercise test (increasing by 20 W/min) to exhaustion on a cycle ergometer during which simultaneous arterial and arterialized venous samples were drawn over the last 20 s of each work load. Linear regression of arterialized venous on arterial values showed that r varied from 0.97 to 0.99 for the variables examined and, therefore, showed that accurate estimates of arterial values could be made from the arterialized venous results during incremental testing. For many purposes it could be assumed that arterialized venous values equaled arterial values without serious error. |
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Authors:
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P McLoughlin; P Popham; R A Linton; R C Bruce; D M Band |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of applied physiology (Bethesda, Md. : 1985) Volume: 73 ISSN: 8750-7587 ISO Abbreviation: J. Appl. Physiol. Publication Date: 1992 Sep |
Date Detail:
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Created Date: 1992-11-23 Completed Date: 1992-11-23 Revised Date: 2009-09-29 |
Medline Journal Info:
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Nlm Unique ID: 8502536 Medline TA: J Appl Physiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 937-40 Citation Subset: IM |
Affiliation:
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Laboratory of Applied Physiology, United Medical School, St. Thomas's Hospital, London, United Kingdom. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Arteries Blood Specimen Collection / methods* Carbon Dioxide / blood Epinephrine / blood Evaluation Studies as Topic Exercise / physiology* Humans Hydrogen-Ion Concentration Lactates / blood Lactic Acid Male Potassium / blood Pyruvates / blood Pyruvic Acid Veins |
| Grant Support | |
ID/Acronym/Agency:
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//Wellcome Trust |
| Chemical | |
Reg. No./Substance:
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0/Lactates; 0/Pyruvates; 124-38-9/Carbon Dioxide; 127-17-3/Pyruvic Acid; 50-21-5/Lactic Acid; 51-43-4/Epinephrine; 7440-09-7/Potassium |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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