Video 22.16 Parasternal long-axis image angled to the left and anteriorly
Parasternal long-axis image angled to the left and anteriorly to demonstrate the right ventricular outflow tract, pulmonary valve, and main pulmonary artery in this patient with TOF and multiple levels of obstruction starting at the proximal infundibular os, hypoplastic pulmonary annulus, sinotubular junction, and proximal main pulmonary artery.