echocardiography: circumferential perivalvular regurgitation of prosthetic pulmonary valve
echocardiography: circumferential perivalvular regurgitation of prosthetic pulmonary valve
echocardiography: circumferential perivalvular regurgitation of prosthetic pulmonary valve (procedure)
echocardiography: circumferential perivalvular regurgitation of prosthetic pulmonary valve (procedure)