Type IV Total Anomalous Pulmonary Venous Return

**Semantic type:** Disease or Syndrome

**Definition:** Total anomalous pulmonary venous return in which the right and left pulmonary arteries drain into different sites.

**Synonyms:** - TAPVR Type IV - Total Anomalous Pulmonary Venous Return, Type IV (Mixed) - Type IV (Mixed) Total Anomalous Pulmonary Venous Return