Abstract
A 39-year-old female patient was referred for ablation of recurrent episodes of atrioventricular nodal reentrant tachycardia. A combination of an anomalous inferior vena cava with azygos continuation and a persistent left superior vena cava was discovered. A nonfluoroscopic navigation system was very useful for catheter ablation of the tachycardia in this unusual case of anomalous venous system of the heart.
MeSH terms
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Abnormalities, Multiple / diagnosis*
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Abnormalities, Multiple / surgery*
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Adult
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Azygos Vein / abnormalities*
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Azygos Vein / surgery
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Catheter Ablation / methods
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Female
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Heart Conduction System / abnormalities*
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Heart Conduction System / surgery
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Humans
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Recurrence
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Tachycardia, Atrioventricular Nodal Reentry / diagnosis*
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Tachycardia, Atrioventricular Nodal Reentry / etiology
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Tachycardia, Atrioventricular Nodal Reentry / surgery*
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Treatment Outcome
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Vena Cava, Inferior / abnormalities*
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Vena Cava, Inferior / surgery
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Vena Cava, Superior / abnormalities*
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Vena Cava, Superior / surgery