Effect of acute ventricular pressure changes on QRS duration

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dc.contributor.authorSideris, D. A.en
dc.contributor.authorToumanidis, S. T.en
dc.contributor.authorKostopoulos, K.en
dc.contributor.authorPittaras, A.en
dc.contributor.authorSpyropoulos, G. S.en
dc.contributor.authorKostis, E. B.en
dc.contributor.authorMoulopoulos, S. D.en
dc.date.accessioned2015-11-24T19:23:07Z
dc.date.available2015-11-24T19:23:07Z
dc.identifier.issn0022-0736-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/22250
dc.rightsDefault Licence-
dc.subjectAnimalsen
dc.subjectAorta/physiopathologyen
dc.subjectArrhythmias, Cardiac/*etiology/physiopathologyen
dc.subjectBlood Pressure/drug effects/physiologyen
dc.subjectBlood Volumeen
dc.subjectDogsen
dc.subject*Electrocardiography/drug effectsen
dc.subjectHeart Conduction System/drug effects/physiopathologyen
dc.subjectInfusions, Intravenousen
dc.subjectMetaraminol/administration & dosage/pharmacologyen
dc.subjectRegression Analysisen
dc.subjectTachycardia, Ventricular/etiology/physiopathologyen
dc.subjectTime Factorsen
dc.subjectVentricular Pressure/drug effects/*physiologyen
dc.titleEffect of acute ventricular pressure changes on QRS durationen
heal.abstractThe effect of acute changes in ventricular pressure is examined on the QRS duration to clarify the mechanism of ventricular pressure-related arrhythmogenesis. Ventricular pressure was changed acutely by arterial transfusion-bleeding into an open-air ventricular pressure reservoir that was either off or on a metaraminol intravenous drip. While maintaining ventricular pressure at several levels, the QRS duration was measured at 200 mm/s paper speed. The QRS duration correlated significantly with the left ventricular pressure in all 14 dogs examined. An average change in ventricular by 100 mmHg was associated with a change of about 18% in the QRS duration. An acute ventricular pressure elevation impairs the ventricular conduction, which may contribute to ventricular pressure-related arrhythmogenicity.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/7930981-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0022073694800022/1-s2.0-S0022073694800022-main.pdf?_tid=e458c436a7952f94647ecc821edf45a0&acdnat=1337847578_d7e78753cd8a99ea3ac3a3be0ea532fe-
heal.journalNameJ Electrocardiolen
heal.journalTypepeer-reviewed-
heal.languageen-
heal.publicationDate1994-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικήςel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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