title: Invited letter concerning: intraoperative echocardiography.
authors.forename: M E
authors.initials: ME
authors.lastname: McConnell
authors.forename: S
authors.initials: S
authors.lastname: Cyran
mesh_terms: D002648:Child; D002675:Child, Preschool; D004452:Echocardiography / Q000379:methods; D006343:Heart Septal Defects / Q000503:physiopathology / Q000601:surgery*; D006801:Humans; D007223:Infant; D007432:Intraoperative Period