Preferred Label : double contour sign;
Definition : Two right borders of the heart are visible on a frontal radiograph. Suggests enlargement
of the left atrium, which may extend beyond the right atrium or produce increased
density within.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35166;
Associated condition(s)
Two right borders of the heart are visible on a frontal radiograph. Suggests enlargement
of the left atrium, which may extend beyond the right atrium or produce increased
density within.
