Szulik, Mariola 3D and 2D left ventricular systolic function imaging-- from ejection fraction to deformation. Cardiac resynchronization therapy--substudy. [electronic resource] - Acta cardiologica Feb 2015 - 21-30 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0001-5385 Standard No.: 10.1080/ac.70.1.3064590 doi Subjects--Topical Terms: AdultAgedCardiac Resynchronization Therapy--methodsEchocardiography, Three-Dimensional--methodsFemaleFollow-Up StudiesHeart Failure--diagnostic imagingHeart Ventricles--diagnostic imagingHumansImaging, Three-DimensionalMaleMiddle AgedProspective StudiesReproducibility of ResultsRetrospective StudiesStroke Volume--physiologySystoleVentricular Function, Left--physiology