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Echocardiographic assessment of a patient with TOF and previous transcatheter pulmonary valve replacement (melody): in the left upper corner a right-ventricular focused four-chamber view; in the right upper corner a colour Doppler imaging of the right ventricular outflow tract with Melody valve implantation; in the left lower corner a global longitudinal strain of the right ventricle; in the right lower corner the TAPSE evaluation and the gradient assessment through the Melody valve.
