The investigation of abnormal pulmonary arteries in congenital heart disease.

Thorough investigation of the state of the pulmonary vascular bed is an important part of the preoperative assessment of patients with congenital heart disease. This article describes the imaging techniques applicable to anomalies and acquired changes of the pulmonary arteries, with emphasis on recent developments. The morphology and imaging of specific cardiovascular anomalies that involve the pulmonary arteries are described and illustrated.