title: High-resolution esophageal long-term ECG allows detailed atrial wave morphology analysis in case of atrial ectopic beats.
abstract: Detection of arrhythmic atrial beats in surface ECGs can be challenging when they are masked by the R or T wave, or do not affect the RR-interval. Here, we present a solution using a high-resolution esophageal long-term ECG that offers a detailed view on the atrial electrical activity. The recorded ECG shows atrial ectopic beats with long coupling intervals, which can only be successfully classified using additional morphology criteria. Esophageal high-resolution ECGs provide this information, whereas surface long-term ECGs show poor atrial signal quality. This new method is a promising tool for the long-term rhythm monitoring with software-based automatic classification of atrial beats.
authors.forename: Thomas
authors.initials: T
authors.lastname: Niederhauser
authors.forename: Thanks
authors.initials: T
authors.lastname: Marisa
authors.forename: Andreas
authors.initials: A
authors.lastname: Haeberlin
authors.forename: Josef
authors.initials: J
authors.lastname: Goette
authors.forename: Marcel
authors.initials: M
authors.lastname: Jacoment
authors.forename: Rolf
authors.initials: R
authors.lastname: Vogel
mesh_terms: D018880:Atrial Premature Complexes / Q000175:diagnosis* / Q000503:physiopathology; D017076:Computer-Aided Design; D004562:Electrocardiography / Q000295:instrumentation / Q000379:methods*; D004867:Equipment Design; D004947:Esophagus / Q000503:physiopathology*; D006325:Heart Atria / Q000503:physiopathology; D006801:Humans