Bipolar coronary sinus lead for left atrial and left ventricular recording.
D016275:Atrial Function; D002037:Bundle-Branch Block / Q000175:diagnosis; D006328:Cardiac Catheterization; D003331:Coronary Vessels; D004562:Electrocardiography / Q000295:instrumentation; D004566:Electrodes; D006329:Heart Conduction System / Q000502:physiology*; D006801:Humans; D008722:Methods; D010138:Pacemaker, Artificial; D013637:Tape Recording; D016276:Ventricular Function