Ann Pediatr Card Close
 

Figure 1: Echocardiogram with color Doppler demonstrating flow acceleration in the upper pulmonary vein. Continuous-wave Doppler demonstrating the peak and mean gradients across the pulmonary vein

Figure 1: Echocardiogram with color Doppler demonstrating flow acceleration in the upper pulmonary vein. Continuous-wave Doppler demonstrating the peak and mean gradients across the pulmonary vein