Esophageal electrocardiography using a balloon-tip electrode.
D002404:Catheterization / Q000295:instrumentation; D004562:Electrocardiography / Q000295:instrumentation / Q000379:methods*; D004566:Electrodes; D004947:Esophagus; D006801:Humans; D013610:Tachycardia / Q000503:physiopathology