Spodick, David H Unappreciated prevalence of interatrial block and associated consequences: a poorly perceived pandemic. [electronic resource] - Mayo Clinic proceedings May 2004 - 668-70 p. digital Publication Type: Journal Article; Review ISSN: 0025-6196 Standard No.: 10.4065/79.5.668 doi Subjects--Topical Terms: Heart Block--complicationsHumans