Interatrial Communication, also known as interauricular communication, is related to atrial septal defect 5 and hypoplastic right heart syndrome. An important gene associated with Interatrial Communication is DIPK1A (Divergent Protein Kinase Domain 1A), and among its related pathways/superpathways are Chromatin organization and Chromatin Regulation / Acetylation. The drugs Ropivacaine and Anesthetics have been mentioned in the context of this disorder. Affiliated tissues include heart and lung, and related phenotypes are homeostasis/metabolism and growth/size/body region