No abstract available
MeSH terms
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Action Potentials
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Animals
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Calcium / physiology
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Catecholamines / physiology
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Electrophysiology
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Heart Conduction System / physiology*
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Heart Rate
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Humans
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Membrane Potentials
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Myocardial Contraction
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Papillary Muscles / physiology
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Potassium / physiology
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Purkinje Fibers / physiology
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Sodium / physiology
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Time Factors
Substances
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Catecholamines
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Sodium
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Potassium
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Calcium