Document Detail

Do media players cause interference with pacemakers?
MedLine Citation:
PMID:  19938055     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Electrical devices generate electromagnetic fields that may interfere with pacemakers. Media players cause telemetry interference with pacemakers, but it is not known whether they cause direct interference with pacemakers. The purpose of this study was to examine the interaction between pacemakers and 3 different media players. METHODS: In this prospective, randomized study, 54 patients with dual chamber pacemakers who were in sinus rhythm underwent baseline observation, followed by observation under telemetry communication. These patients were then randomly evaluated with 3 media players (iPod 3G, iPod Photo, and iPod Touch Apple, Cupertino, CA) with and without telemetry communication for 1 minute each. Patients were monitored for pacemaker malfunction using a single-channel ECG during exposure to media players. The pacemaker was interrogated after each exposure and an interrogation report was printed for evaluation. Pacemaker interference was categorized as type I, II, or III. Types I and II interference described telemetry interference and type III interference was defined as any direct interference with pacemaker function or programmed parameters. RESULTS: A total of 54 patients (29 men and 25 women; mean age 77.2 +/- 9.3 y) were evaluated. In total, of the 162 tests (for telemetry interference) 36.4% were positive (Type I and II). Type III interference was also evaluated in 162 tests and none showed any evidence of direct interference. CONCLUSION: Media players cause telemetry interference with pacemakers, but they do not directly interfere with pacemaker function.
Jay P Thaker; Mehul B Patel; Ashok J Shah; Valdis V Liepa; Joseph D Brunett; Krit Jongnarangsin; Joseph C Gardiner; Ranjan Thakur
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Clinical cardiology     Volume:  32     ISSN:  1932-8737     ISO Abbreviation:  Clin Cardiol     Publication Date:  2009 Nov 
Date Detail:
Created Date:  2009-11-30     Completed Date:  2010-02-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7903272     Medline TA:  Clin Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  653-7     Citation Subset:  IM    
Thoracic and Cardiovascular Institute, Sparrow Health System, Michigan State University 405 West Greenlawn, Suite 400 Lansing, MI 48823, USA.
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MeSH Terms
Aged, 80 and over
Arrhythmias, Cardiac / physiopathology,  therapy*
Cardiac Pacing, Artificial*
Computers, Handheld*
Electromagnetic Fields / adverse effects*
Equipment Failure
Pacemaker, Artificial*
Prospective Studies
Signal Processing, Computer-Assisted

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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