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Ambiguous atrioventricular connection

MedGen UID:
Concept ID:
Congenital Abnormality
Synonym: Ambiguous atrioventricular connexion
SNOMED CT: Ambiguous atrioventricular connection (253278008)
HPO: HP:0011552


With left or right cardiac isomerism in a biventricular, the atrioventricular connections are perforce ambiguous, in that one of the connections is concordant (e.g., right-sided morphologic right atrium connected to a morphologic right ventricle) and one of the connections is discordant (e.g., left-sided morphologic right atrium connected to a morphologic left ventricle). [from HPO]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVAmbiguous atrioventricular connection

Recent clinical studies


De Tommasi S, Daliento L, Ho SY, Macartney FJ, Anderson RH
Br Heart J 1981 Mar;45(3):236-47. doi: 10.1136/hrt.45.3.236. PMID: 7470338Free PMC Article

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