Unit of Noninvasive Cardiovascular Diagnostics;
Medical University of Silesia;
Upper-Silesian Cardiology Center;
Department of Electrocardiology;
Medical University of Silesia;
Upper-Silesian Cardiology Center;
2nd Chair and Division of Cardiology;
Medical University of Silesia;
Upper-Silesian Cardiology Center;
Coronary; venous; system; Coronary; sinus; Thebesian; valve; Cardiac; computed; tomography; Cardiac; resynchronization; therapy; Percutaneous; mitral; annuloplasty;