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...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
Associação Brasileira de Divulgação Científica
1997-01-01
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Series: | Brazilian Journal of Medical and Biological Research |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997000900005 |