A 14-Year-Old Boy with Unusual Presentation of Respiratory Distress

Figure 2

Subcostal coronal view on echocardiogram (a) demonstrates cor triatriatum with a membrane separating the pulmonary veins from the left ventricle inflow and (b) is a Doppler image demonstrating restricted flow through the opening of the cor triatriatum membrane with high-velocity flow through a dilated left pulmonary vein. LV: left ventricle, RV: right ventricle, LA: left atrium, RA: right atrium, MV: mitral valve, PV: pulmonary vein, S: superior, I: inferior, R: right, and L: left.

(a)

(b)