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01.12.2012 | Case report | Ausgabe 1/2012 Open Access

Journal of Medical Case Reports 1/2012

A prominent crista terminalis associated with atrial septal aneurysm that mimics right atrial mass leading to atrial arrhythmias: a case report

Zeitschrift:
Journal of Medical Case Reports > Ausgabe 1/2012
Autoren:
Massimo Bolognesi, Diletta Bolognesi
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1752-1947-6-403) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

The authors’ contributions were equal in data collection, data analysis, manuscript writing and correction. Both authors read and approved the final manuscript.

Abstract

Introduction

The crista terminalis is a variant of normal anatomical structures within the right atrium that mimics an atrial mass on a transthoracic echocardiogram. Atrial septal aneurysm is a rare but well-recognized cardiac abnormality of uncertain clinical significance. The association between crista terminalis and atrial septal aneurysm is unusual but not completely casual. Both anatomical heart structures can lead to atrial arrhythmias.

Case presentation

This case report describes the accidental discovery during an echocardiographic examination of a 64-year-old Caucasian woman who had a left bundle branch block and palpitations.

Conclusion

The clinical relevance of this anatomical evidence in unknown. This was an occasional finding of transthoracic echocardiography, but in this case it is possible to assume its relationship with the occurrence of atrial arrhythmias, and also that computed tomography scan and cardiovascular magnetic resonance is mandatory to define the structure and function of these incidental findings.

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Zusatzmaterial
Authors’ original file for figure 1
13256_2012_2355_MOESM1_ESM.tiff
Authors’ original file for figure 2
13256_2012_2355_MOESM2_ESM.tiff
Authors’ original file for figure 3
13256_2012_2355_MOESM3_ESM.tiff
Authors’ original file for figure 4
13256_2012_2355_MOESM4_ESM.tiff
Literatur
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