No abstract available
MeSH terms
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Bundle-Branch Block / etiology
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Cardiac Catheterization
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Echocardiography
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Electrocardiography
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Exercise Test
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Heart Failure / complications*
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Heart Failure / diagnosis*
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Humans
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Long QT Syndrome / etiology*
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Multivariate Analysis
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Predictive Value of Tests
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Prognosis
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Risk Factors