No abstract available
MeSH terms
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Aged
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Arrhythmias, Cardiac / diagnosis*
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Atrioventricular Node / physiopathology*
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Electrocardiography
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Heart Block / diagnosis
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Heart Block / etiology
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Heart Conduction System / physiopathology*
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Humans
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Male
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Ventricular Fibrillation / diagnosis
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Ventricular Fibrillation / etiology