Document Detail


Relative importance of electrode placement over number of channels in transient myocardial ischemia detection by Holter monitoring.
MedLine Citation:
PMID:  7639158     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To compare the efficacy of 3-channel ambulatory electrocardiographic monitoring (Holter monitoring) with 2-channel Holter monitoring in the detection of transient myocardial ischemia (TMI), channels CM2, CM5, and modified II were studied. Sixty patients with documented coronary artery disease underwent 48-hour Holter monitoring during their normal daily life, followed by exercise stress testing in the laboratory monitored by means of radionuclide ventriculography and standard 12-lead electrocardiography. Analysis revealed that 3-channel Holter monitoring identified 24 patients with a total of 205 TMI episodes and a total ischemic burden of 371.00 mV-min. By itself, CM2 would have detected only 3 patients (13% of the TMI population), 6 TMI episodes (3% of the total TMI episodes), and a 2.4 mV-min ischemic burden (0.7% of the total ischemic burden). Modified II alone would have identified 17 patients (71% of the TMI population), 160 TMI episodes (78% of the total TMI episodes), and 307.24 mV-min of the ischemic burden (82% of the total ischemic burden). The combination of CM5/modified II identified 23 patients (96% of the TMI population), 201 TMI episodes (98% of the total TMI episodes), and 370.44 mV-min of the ischemic burden (98% of the total ischemic burden). These findings suggest that the electrode placement is more important than the absolute number of channels in the detection of TMI by Holter monitoring.
Authors:
W Jiang; J A Blumenthal; M W Hanson; R E Coleman; C M O'Connor; D Frid; J J Morris; R A Waugh
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  The American journal of cardiology     Volume:  76     ISSN:  0002-9149     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  1995 Aug 
Date Detail:
Created Date:  1995-09-08     Completed Date:  1995-09-08     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  350-4     Citation Subset:  AIM; IM    
Affiliation:
Department of Medicine, Duke University Medical Center, Durham, North Carolina 27705, USA.
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MeSH Terms
Descriptor/Qualifier:
Electrocardiography
Electrocardiography, Ambulatory / methods*
Electrodes*
Exercise Test
Female
Humans
Male
Middle Aged
Myocardial Ischemia / diagnosis*
Radionuclide Ventriculography
Time Factors
Grant Support
ID/Acronym/Agency:
AG 09663/AG/NIA NIH HHS; AG 12058/AG/NIA NIH HHS; HL 43208/HL/NHLBI NIH HHS

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