Implantation sites of cardiac pacemaker electrodes and myocardial contractility.
D000818:Animals; D001794:Blood Pressure; D004285:Dogs; D004562:Electrocardiography; D005112:Extracorporeal Circulation; D006321:Heart / Q000503:physiopathology*; D006327:Heart Block / Q000601:surgery; D006352:Heart Ventricles; D009119:Muscle Contraction / Q000502:physiology; D010138:Pacemaker, Artificial