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European Heart Journal 1988 9(1):54-60;
Copyright © 1988 by the European Society of Cardiology.
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© 1988 The European Society of Cardiology

Observations on the capability of the electrocardiogram to detect left ventricular function in chronic severe aortic regurgitation

R. SCOGNAMIGLIO, G. FASOLI, A. BRUNI and S. DALLA-VOLTA

Cardiology Division, Medical School, University of Padua Italy

Received 10 April 1987; revised 22 June 1987; .

address for correspondence: R. Scognamiglio.CattedradiCardiologia, Policlinico, v. Guistiniani 2, 35100 Padova, Italia.

Abstract

Echocardiographic parameters of left ventricular (LV) function were compared with the electrocardiographic findings in 40 patients with chronic severe aortic regurgitation. Total 12-lead QRS amplitude was linearly correlated with L Vmass and its ‘relative reduction’ (less than 250 mm) indicated inadequate L V hypertrophy. Patients with an electrocardiographic ‘strain’ pattern had a marked increase LV stress (573 ±68 dyn). The association of high total 12-lead QRS amplitude and ‘strain’ indicate a moderately depressed ejection fraction (EF=43±3). Finally, ‘strain’ and a ‘relative reduction’ of total 12-lead QRS amplitude were present in patients with a severe depression of EF and contractility. The predictive value of these electrocardiographic indices was confirmed during a mean follow-up of 49 months. In conclusion, the electrocardiogram remains an excellent, easy tool for anatomical and functional investigation of patients with aortic regurgitation.

Key Words: Echocardiography • electrocardiography • left ventricular function


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