Echocardiographic image of critical pulmonic stenosis

Still echocardiographic images of a patient with critical pulmonic stenosis pre- and post-balloon dilation.
(A) A pre-balloon echocardiographic image of a patient with critical pulmonic stenosis that shows virtually no antegrade flow from the RV through the pulmonary valve into the main PA.
(B) A post-dilation echocardiographic image that shows virtually unobstructed pulmonary blood flow across the pulmonary valve.
The movie clip is a pre-balloon dilatation echocardiography showing minimal antegrade flow from the RV through the critical pulmonic stenosis.