Document Detail


Reliability of an external loop recorder for automatic recognition and transtelephonic ECG transmission of atrial fibrillation.
MedLine Citation:
PMID:  19948705     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
In order to test a newly developed algorithm for detecting atrial fibrillation in clinical practice, we carried out parallel recordings using a conventional 24-h electrocardiogram (ECG) monitor and telemonitoring with an external loop recorder. Recordings were made in 24 patients with persistent atrial fibrillation and in another 24 patients with sinus rhythm. Atrial fibrillation was detected immediately in 23 of 24 patients with persistent atrial fibrillation and 20 min after fitting the single-channel loop recorder in the 24th patient (sensitivity 100%). On average, 3.1 false positives (i.e. detection of an episode, including the end or beginning of atrial fibrillation) were transmitted per patient. The sensitivity of the algorithms for automatically detecting bradycardiac and tachycardiac atrial fibrillation was also high. In 12 of 24 patients with sinus rhythm, false-positive tele-ECGs were transmitted. These were caused by supraventricular or ventricular extrasystoles and by sinus arrhythmias or sinoatrial (SA) blocks. The external loop recorder was very effective at detecting paroxysmal atrial fibrillation. Possible indications for the clinical use of this recorder include, in addition to diagnosis, monitoring patients for atrial fibrillation recurrence after cardioversion or catheter ablation.
Authors:
Axel Müller; Wilfried Scharner; Tilo Borchardt; Wolfgang Och; Harald Korb
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of telemedicine and telecare     Volume:  15     ISSN:  1758-1109     ISO Abbreviation:  J Telemed Telecare     Publication Date:  2009  
Date Detail:
Created Date:  2009-12-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9506702     Medline TA:  J Telemed Telecare     Country:  England    
Other Details:
Languages:  eng     Pagination:  391-6     Citation Subset:  IM    
Affiliation:
Department of Internal Medicine I, Chemnitz Clinic gGmbH, 09113 Chemnitz, Germany. axel.mueller@skc.de
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