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Left bundle branch block-induced cardiomyopathy |
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Abstract Long-term true left bundle branch block can cause left ventricular dilatation, progressive decrease of cardiac function, and further develop into cardiomyopathy complicated by cardiac functional insufficiency. Its pathogenesis is not clear, which is possibly related to the synchronization loss of electrical and mechanical activities caused by left bundle branch block. The diagnostic method of the disease is consistent with that of other acquired cardiomyopathy, the highlight of which is to identify true left bundle branch block. By cardiac resynchronization therapy, left bundle branch block-induced cardiomyopathy can be reversed effectively.
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Received: 10 December 2014
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