blue light glasses chanel|chanel frames for prescription glasses Visualize LVOT, truncal valve leaflets, truncal root, and ascending aorta. • Evaluate RV and LV function. • Visualize RV-to-PA conduit. • Parasternal short axis view • Assess truncal valve morphology; note the number of cusps and any obvious coaptation gap. • Assess RV-to-PA conduit and its anastomosis to the branch PAs. • Subscribe