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Approach to right ventricular outflow tract obstruction. CT, computed tomography; LA, left atrium; MRI, magnetic resonance imaging; Ppa, pulmonary artery pressure; Prv, right ventricular pressure; RA, right atrium; RV, right ventricle; RVOT, right ventricular outflow tract; SVA, sinus of Valsalva aneurysm.
