No abstract available
MeSH terms
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Arrhythmias, Cardiac / complications
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Arrhythmias, Cardiac / diagnosis*
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Arrhythmias, Cardiac / physiopathology
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Electrocardiography
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Emergency Medical Services*
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Humans
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Male
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Middle Aged
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Pulmonary Disease, Chronic Obstructive / complications
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Pulmonary Disease, Chronic Obstructive / physiopathology
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United States