Pacemaker placement by electrocardiographic monitoring.
D002404:Catheterization; D004562:Electrocardiography; D006325:Heart Atria; D006352:Heart Ventricles; D006801:Humans; D008722:Methods; D008991:Monitoring, Physiologic; D010138:Pacemaker, Artificial; D011651:Pulmonary Artery; D013350:Subclavian Vein; D014682:Vena Cava, Inferior; D014683:Vena Cava, Superior