R-Wave Amplitude and Left Ventricular Volume: Changes with Nitroglycerine and Atrial Pacing

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Abstract

The relationship between R-wave amplitude and left ventricular volume was examined using two groups of patients, undergoing diagnostic cardiac catheterisation for investigation of chest pain, who had simultaneous R-wave recording and left ventricular angiography. R-wave amplitude was measured in leads 1, 2, 3 and V4–6. Left ventricular volume was altered by nitroglycerine (n = 18) and atrial pacing (n = 13). In both groups, increase or decrease in left ventricular volume was associated with a concomitant change of R-wave amplitude. We conclude that left ventricular volume is an important determinant of surface-recorded R waves with increased amplitude reflecting increased left ventricular volume and vice versa.

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Journal ID (publisher-id): CRD

Journal ID (nlm-ta): Cardiology

Journal ID (doi): 10.1159/issn.0008-6312

Title: Cardiology

Publisher: S. Karger AG

ISBN: 978-3-8055-3437-6

ISBN: 978-3-318-00026-9

ISSN (Print): 0008-6312

ISSN (Electronic): 1421-9751

Publication date Subscription-year: 1981

Publication date (Print): 1981

Publication date (Electronic): 07 November 2008

Volume: 68

Issue: Suppl 2

Pages: 153-160

Affiliations

National Heart Hospital and Cardiothoracic Institute, London, England

Article

Publisher ID: 173331 Other ID: Cardiology 1981;68:153–160

DOI: 10.1159/000173331

PubMed ID: 6797733

SO-VID: 2b118306-41c1-493f-9802-cf87993ed795

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R-Wave Amplitude and Left Ventricular Volume: Changes with Nitroglycerine and Atrial Pacing

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Karger: Cardiovascular System

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