No abstract available
MeSH terms
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Aged, 80 and over
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Anti-Arrhythmia Agents / adverse effects*
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Atrioventricular Block / chemically induced*
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Atrioventricular Block / diagnosis*
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Digoxin / adverse effects*
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Electrocardiography
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Humans
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Male
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Tachycardia, Ectopic Atrial / diagnosis*
Substances
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Anti-Arrhythmia Agents
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Digoxin