Video 26.8 Moderate to severe subvalvar and valvar pulmonary (left ventricular outflow tract) obstruction in a 27-year-old man - modified 5-chamber view
Moderate to severe subvalvar and valvar pulmonary (left ventricular outflow tract) obstruction in a 27-year-old man with situs solitus and levocardia. A modified 5-chamber view showing left ventricular outflow tract obstruction due to a subvalvar fibromuscular shelf and a thickened pulmonary valve with doming of the cusps.