Medical Term:
figure-of-8 abnormality
Definition: a radiographic appearance associated with total anomalous drainage of the pulmonary venous circulation into enlarged right and anomalous left superior venae cavae, which produces a globular density above the heart; the silhouette suggests the figure 8; TAPVR.
Synonym(s): snowman abnormality
See Also: anomalous pulmonary venous connections, total or partial, under connection
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