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Pediatr Cardiol. 2011 Jun;32(5):678-80. doi: 10.1007/s00246-011-9926-7. Epub 2011 Feb 25.

Tachycardia-induced cardiomyopathy after functional closure of the foramen ovale in a fetus.

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  • 1Division of Pediatric Cardiology, Medical University of Vienna, Vienna, Austria. Elisabeth.Mlczoch@meduniwien.ac.at

Abstract

Although fetal tachyarrhythmias are relatively rare, they are an important causes of fetal morbidity and mortality. We report a 30-week pregnant woman with fetal tachycardia, fetal hydrops and ascites. Fetal heart rate was 230 bpm. Fetal heart rate was 230 bpm. M-mode echocardiography revealed a tachycardia with a 1:1 relationship between atrial and ventricular conduction and a short time interval between ventricular and atrial contraction. These findings suggested a diagnosis of atrioventricular re-entrant tachycardia. On the third day digoxin treatment, the fetal heart rate was still 225 bpm with a 1:1 relationship between atrial and ventricular conduction. At this time, no flow across the foramen ovale was detected. Functional closure of the foramen ovale was suspected.

PMID:
21350927
[PubMed - indexed for MEDLINE]
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