A simple, disposable esophageal electrode constructed at bedside.
D000368:Aged; D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D004209:Disposable Equipment; D004562:Electrocardiography / Q000295:instrumentation*; D004947:Esophagus; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged