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Published on: July 18, 2014
Acute heart failure due to transient left ventricular dyssynchrony: case study
Matthieu Jourdain1, Jean Jacques Bauchart, Jean Luc Auffray
1Intensive Care Unit, Cardiology Hospital, Centre Hospitalier Régional et Universitaire, Lille, France.
Abstract:
This case study describes an unusual cause of acute heart failure that resolved with early beta-blockade therapy. A 52-year-old woman who had acute heart failure with severe left ventricular systolic dysfunction and left bundle branch block was admitted to a university medical center. Contrast-enhanced magnetic resonance images of the heart did not show any evidence of myocardial infarction or myocarditis. Rate-related left bundle branch block and subsequent left ventricular dyssynchrony resulted in acute systolic dysfunction that resolved with beta-blockade therapy that allowed heart rate control and narrowing of the QRS complex. Of note, the use of inotropic agents would have dramatically worsened the cardiac condition.
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