PAROXYSMAL ATRIAL TACHYCARDIA WITH BLOCK AROUND THE ECTOPIC PACEMAKER. REPORT OF A CASE.
D004562:Electrocardiography; D006327:Heart Block; D006801:Humans; D010138:Pacemaker, Artificial; D013610:Tachycardia; D013614:Tachycardia, Paroxysmal
ELECTROCARDIOGRAPHY; HEART BLOCK; TACHYCARDIA, PAROXYSMAL