No abstract available
Keywords:
2:1 VA block; AVNRT; R R alternans.
MeSH terms
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Electrocardiography* / methods
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Female
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Humans
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Middle Aged
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Tachycardia, Atrioventricular Nodal Reentry / diagnosis*
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Tachycardia, Atrioventricular Nodal Reentry / physiopathology*