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Case Reports in Cardiology
Volume 2016, Article ID 4839315, 3 pages
Case Report

The Presence of a Large Chiari Network in a Patient with Atrial Fibrillation and Stroke

1Department of Anatomy and Cell Biology, Faculty of Medicine, Martin Luther University Halle-Wittenberg, 06108 Halle (Saale), Germany
2Institute for Pathology, University Hospital Halle, 06108 Halle (Saale), Germany
3Department of Internal Medicine III, University Hospital Halle, 06120 Halle (Saale), Germany

Received 16 May 2016; Accepted 10 July 2016

Academic Editor: Assad Movahed

Copyright © 2016 Nneka Schwimmer-Okike et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The Chiari network is an embryological remnant found in the right atrium, mostly without any significant pathophysiological consequences. However, several cardiac associations are reported in the literature including supraventricular tachyarrhythmias. We present a case of a 96-year-old body donor with a stroke episode and intermittent atrial fibrillations. The dissection of the heart revealed the presence of an immense Chiari network with a large central thrombus. The role of a Chiari network in the pathogenesis of stroke and pulmonary embolism is discussed.