Congenital Complete Atrioventricular Block

**Semantic type:** Disease or Syndrome

**Definition:** A disorder characterized by an electrocardiographic finding of a complete atrioventricular block that manifests during fetal life or soon after birth. It may be isolated or associated with other congenital heart defects. Isolated congenital complete atrioventricular block may be associated with maternal connective tissue disorders.

**Synonyms:** - Congenital Complete AV Block - Congenital Third Degree Block