title: Right atrial electrograms via central venous lines: a simple diagnostic aid for postoperative tachyarrhythmias.
mesh_terms: D006328:Cardiac Catheterization; D002496:Central Venous Pressure / Q000295:instrumentation*; D004562:Electrocardiography / Q000295:instrumentation; D004566:Electrodes; D006801:Humans; D008722:Methods; D011095:Polyethylenes; D013610:Tachycardia / Q000175:diagnosis*
chemical_list: D011095:Polyethylenes