Fig. 1

a Echocardiogram with colour Doppler in parasternal short axis view showing turbulent flow across LPA along with luminal narrowing (arrow). b Echocardiogram with continuous wave Doppler showing gradient across LPA
a Echocardiogram with colour Doppler in parasternal short axis view showing turbulent flow across LPA along with luminal narrowing (arrow). b Echocardiogram with continuous wave Doppler showing gradient across LPA