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Cor triatriatum dextrum--an unusual variant of triatrial heart
N Topuzović1, I Karner, A Rusić
1Department of Nuclear Medicine, Osijek Clinical Hospital, Croatia.
Insights
This report details a rare triatrial heart (cor triatriatum dextrum) case in a woman, incidentally found using radionuclide angiocardiography. Further tests confirmed a membrane dividing the right atrium, a novel demonstration by this imaging technique.
Area of Science:
- Cardiology
- Medical Imaging
- Congenital Heart Disease
Background:
- Cor triatriatum dextrum is a rare congenital heart anomaly characterized by a membrane subdividing the right atrium.
- Diagnosis often relies on advanced imaging techniques.
- Incidental detection in asymptomatic individuals is uncommon.
Observation:
- A 31-year-old woman presented with an incidentally detected cardiac anomaly.
- Radionuclide angiocardiography was the initial diagnostic modality.
- The anomaly involved a membrane within the right atrium.
Findings:
- Two-dimensional echocardiography and right heart catheterization confirmed cor triatriatum dextrum.
- A membrane was observed to divide the right atrium into two separate chambers.
- This represents the first documented case of this anomaly visualized using radionuclide imaging.
Implications:
- Highlights the utility of radionuclide angiocardiography in diagnosing rare cardiac malformations.
- Emphasizes the importance of comprehensive cardiac assessment when anomalies are incidentally detected.
- Contributes to the understanding of the diagnostic spectrum for cor triatriatum dextrum.
Abstract:
The present report describes a rare case of triatrial heart, cor triatriatum dextrum in a 31-year-old woman in whom the anomaly was incidentally detected by radionuclide angiocardiography. Subsequent assessment with two-dimensional echocardiography and right heart catheterization confirmed the presence of a membrane subdividing the right atrium into two distinct chambers. To the best of our knowledge, this is the only case in which this cardiac anomaly was demonstrated by radionuclide technique.