Anomalous connection of inferior vena cava to the left atrium.

A 3-year-old symptomatic girl was diagnosed, using contrast echocardiography, as having an anomalous connection of inferior vena cava to the left atrium. Contrast material was injected in a peripheral foot vein, the diagnosis was confirmed by color Doppler flow echocardiography and cardiac catheterization. The defect was corrected and the patient is asymptomatic at this time.