No abstract available
MeSH terms
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Bundle-Branch Block / diagnostic imaging
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Bundle-Branch Block / therapy
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Cardiac Pacing, Artificial / methods*
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Echocardiography
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Heart Failure / diagnostic imaging
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Heart Failure / therapy*
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Humans
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Ventricular Dysfunction, Left / diagnostic imaging
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Ventricular Dysfunction, Left / therapy*
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Ventricular Fibrillation / diagnostic imaging
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Ventricular Fibrillation / therapy