No abstract available
MeSH terms
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Bradycardia / etiology*
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Cardiac Pacing, Artificial
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Electrocardiography
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Exercise Test
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Exercise*
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Heart Arrest / etiology*
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Heart Atria / physiopathology
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Heart Conduction System / physiopathology*
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Humans
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Isoproterenol*
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Male
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Middle Aged
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Recurrence
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Syncope / etiology*