“…The severity of MS is the most important indicator of mortality and long-term prognosis. 3 In a retrospective study of 50 Shone complex patients, certain MV morphologies (thickened leaflets, shortened MV chordae, and turbulent flow below the MV plane) were associated with significant MS and poor outcomes. 4 Classically, the MV morphology associated with Shone complex is that of a true parachute MV and a supramitral ring.…”