No abstract available
MeSH terms
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Cardiac Output / physiology
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Cardiac Pacing, Artificial / adverse effects*
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Cardiac Pacing, Artificial / methods
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Child
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Child, Preschool
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Heart Block / congenital
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Heart Block / therapy
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Humans
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Risk Factors
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Ventricular Dysfunction, Left / etiology*
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Ventricular Remodeling / physiology*