No abstract available
MeSH terms
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Bradycardia / physiopathology
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Bradycardia / therapy
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Electrocardiography
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Humans
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Male
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Middle Aged
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Pacemaker, Artificial / adverse effects*
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Sick Sinus Syndrome / physiopathology
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Sick Sinus Syndrome / therapy
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Tachycardia, Ventricular / etiology*
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Tachycardia, Ventricular / physiopathology