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Fetal tachyarrhythmia with 1:1 atrioventricular conduction. Adenosine infusion in the umbilical vein as a diagnostic test.

Authors
Type
Published Article
Journal
Arquivos Brasileiros de Cardiologia
0066-782X
Publisher
GN1 Genesis Network
Publication Date
Volume
75
Issue
1
Pages
65–68
Identifiers
PMID: 10983021
Source
Medline

Abstract

This is the report of a case of fetal tachyarrhythmia with 1:1 atrioventricular conduction detected by pre-natal echocardiography in a fetus at 25-weeks gestation. Adenosine infusion via cordocentesis was performed as a diagnostic test to differentiate between atrioventricular nodal reentrant supraventricular tachyarrhythmia and atrial flutter. After infusion, transient 2:1 atrioventricular dissociation was obtained and the diagnosis of atrial flutter was made. Transplacental therapy with digoxin and amiodarone was then successfully used.

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