PMC5368389_01
Transthoracic echocardiogram images demonstrating progressive pulmonary vein stenosis. (a) Color flow Doppler of pulmonary veins at initial diagnosis, with (b) measured mean pulmonary gradient (mean PG) of 5 mmHg and (c) increased mean pulmonary pressure gradient to 9 mmHg by 6 weeks after diagnosis.
CRIPE2017-3106871.001.jpg
PMC5368389_01_CRIPE2017-3106871.001.jpg
fig1
Serial echocardiograms over the next several months demonstrated progressive pulmonary vein stenosis (Figure 1).