No abstract available
MeSH terms
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Anxiety / etiology
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Diagnosis, Differential
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Dizziness / etiology
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Dyspnea, Paroxysmal / diagnosis*
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Dyspnea, Paroxysmal / physiopathology
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Electrocardiography*
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Emergency Medical Services / methods*
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Female
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Heart Block / diagnosis*
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Heart Block / physiopathology
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Humans
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Hyperventilation / etiology
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Middle Aged
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United States