No abstract available
MeSH terms
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Aging* / physiology
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Diagnosis, Differential
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Electrocardiography
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Female
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Humans
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Middle Aged
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Pacemaker, Artificial
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Sick Sinus Syndrome / diagnosis*
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Sick Sinus Syndrome / physiopathology
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Sick Sinus Syndrome / therapy
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Syncope / diagnosis
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Syncope / etiology