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Valve and outflow tract lesions 

Valve and outflow tract lesions
Valve and outflow tract lesions

Sara Thorne

and Sarah Bowater

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date: 13 August 2020

This chapter discusses valve and outflow tract lesions. It considers left ventricular outflow tract obstruction (LVOTO), including subvalvar aortic stenosis (AS), bicuspid aortic valve, and supravalvar AS. Also discussed are left ventricular inflow lesions, including congenital mitral valve abnormalities, cor triatriatum, and Shone syndrome. It also covers right ventricular outflow tract obstruction (RVOTO), including pulmonary valvar stenosis, supravalvar pulmonary stenosis, pulmonary artery stenosis, pulmonary atresia with intact septum, and double-chambered right ventricle. Ebstein anomaly is also discussed, including incidence, associations, natural history, presenting features in the adult, investigations, and management.

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