title: [One heart, two methods].
authors.affiliation: Pracownia Echokardiografii Klinicznej, Klinika Wad Wrodzonych Serca, Instytut Kardiologii, Warsaw.
authors.forename: Anna
authors.initials: A
authors.lastname: Klisiewicz
mesh_terms: D006325:Heart Atria / Q000000981:diagnostic imaging*; D016027:Heart Transplantation / Q000379:methods* / Q000502:physiology*; D006352:Heart Ventricles / Q000000981:diagnostic imaging*; D006801:Humans; D009206:Myocardium / Q000473:pathology*; D014463:Ultrasonography; D016277:Ventricular Function, Left / Q000502:physiology*