title: Ventricular pacemaker wire simulating a right atrial mass.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004452:Echocardiography; D006325:Heart Atria; D006327:Heart Block / Q000628:therapy; D006338:Heart Neoplasms / Q000175:diagnosis*; D006801:Humans; D008297:Male; D009232:Myxoma / Q000175:diagnosis*; D010138:Pacemaker, Artificial / Q000295:instrumentation*; D014262:Tricuspid Valve Insufficiency / Q000175:diagnosis