Interatrial septum: A pictorial review of congenital and acquired pathologies and their management

Clin Imaging. 2019 May-Jun:55:53-64. doi: 10.1016/j.clinimag.2019.02.002. Epub 2019 Feb 6.


There are many different congenital abnormalities and acquired pathologies involving the interatrial septum. Differentiation of these pathologies significantly affects patient management. We have reviewed the various interatrial septal pathologies and discussed their congenital associates, clinical significance, and management. After reading this article, the reader should be able to better characterize the interatrial septal pathologies using the optimal imaging tools, and have a better understanding of their clinical significance and management.

Keywords: Acquired; Atrial septum; Computed tomography; Congenital; Magnetic resonance imaging.

Publication types

  • Review

MeSH terms

  • Atrial Septum / diagnostic imaging
  • Atrial Septum / pathology*
  • Heart Septal Defects, Atrial / diagnostic imaging
  • Heart Septal Defects, Atrial / pathology*
  • Humans
  • Magnetic Resonance Imaging / methods
  • Tomography, X-Ray Computed / methods