[QRS loop recording in healthy subjects obtained by means of an esophageal electrode].
D000293:Adolescent; D000328:Adult; D000368:Aged; D004566:Electrodes; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D014672:Vectorcardiography / Q000295:instrumentation*
Zapis petli QRS z zastosowaniem elektrody przełykowej u osób bez zmian w układzie krazenia.