title: [Echo and ecco].
authors.forename: Petter S
authors.initials: PS
authors.lastname: Hagemo
mesh_terms: D002648:Child; D004452:Echocardiography / Q000145:classification*; D006331:Heart Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging; D006801:Humans; D012017:Referral and Consultation / Q000592:standards; D009626:Terminology as Topic