Pediatric Cardiology

, Volume 32, Issue 5, pp 678–680

Tachycardia-Induced Cardiomyopathy After Functional Closure of the Foramen Ovale in a Fetus

  • Elisabeth Mlczoch
  • Ulrike Salzer-Muhar
  • Barbara Ulm
  • Manfred Marx
Case Report


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.


Fetal tachycardia Tachycardia induced cardiomyopathy Closed foramen ovale 


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Elisabeth Mlczoch
    • 1
  • Ulrike Salzer-Muhar
    • 1
  • Barbara Ulm
    • 2
  • Manfred Marx
    • 1
  1. 1.Division of Pediatric CardiologyMedical University of ViennaViennaAustria
  2. 2.Division of Fetomaternal MedicineMedical University of ViennaViennaAustria

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