Heart rate changes during the Valsalva maneuver in patients with isolated aortic insufficiency

To determine the possible relationship between left ventricular dilatation and heart rate changes provoked by the Valsalva maneuver (Valsalva ratio), we studied 9 patients with isolated chronic aortic insufficiency. Left ventricular systolic function was assessed by two-dimensional echocardiography...

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Bibliographic Details
Main Authors: Navarro A.E., Dávila D.F., Torres A., Bellabarba G., Donis J.H., Casado J.
Format: Article
Language:English
Published: Associação Brasileira de Divulgação Científica 1997-01-01
Series:Brazilian Journal of Medical and Biological Research
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997000900005