Single ventricle Double inlet atrioventricular connection Double inlet right ventricle 2012-04-07T11:57:14Z EPCC:01.04.03 The condition in which both atria are joined to the right ventricle each by its own atrioventricular valve. Usually, the left ventricle is hypoplastic. SNOMEDCT_US:253282005 UMLS:C0344621 HP:0011556 ICD-10:Q20.4