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Case Reports in Cardiology
Volume 2015, Article ID 468493, 4 pages
Case Report

Second-Degree Interatrial Block in Hemodialysis Patients

1Division of Cardiology, Department of Medicine, Queen’s University, Kingston, ON, Canada
2Hemodialysis Unit, Maria Rosaria Clinic, Pompeii, Italy
3Hospital de la Santa Creu i Sant Pau, Cardiovascular Research Center, CSIC-ICCC, Barcelona, Spain

Received 17 September 2014; Accepted 24 January 2015

Academic Editor: Kjell Nikus

Copyright © 2015 Andres Enriquez 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.


Interatrial conduction delays manifest as a prolonged P-wave duration on surface ECG and the term interatrial block (IAB) has been coined. They are usually fixed, but cases of intermittent IAB have been described, suggesting functional conduction block at the Bachmann bundle region. We report 2 cases of patients on chronic hemodialysis therapy presenting with intermittent IAB.