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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2000-7-20
pubmed:abstractText
By graphically identifying patterns of ventricular ectopic beat (VEB) interval characteristics, we sought to enhance arrhythmia analysis, especially in long-term ECG monitoring. Coupling intervals as a function of preceding sinus RR intervals (CI/RR diagrams) with the aid of coupling interval and interectopic interval histograms were analyzed in 172 patients with frequent VEBs. Four distinct types of CI/RR diagrams were observed: horizontal-elongated (25 patients), linear (4 patients), triangular (37 patients), and clusters separated by dot-sparse areas (17 patients). In 89 patients, no definite pattern was discerned. The patients with elongated diagrams were significantly younger, had fixed coupling, uniform QRS complexes, and lacked periodicities in their interectopic interval histograms. The linear pattern was detected in a small group with rate-related VEBs. In the group with a triangular pattern, 30% of the patients exhibited interectopic periodicities suggesting parasystole. The patients with dot-sparse areas in the CI/RR diagrams had more variable coupling and predominantly more multiform QRS complexes. We conclude that CI/RR diagrams in conjunction with coupling interval and interectopic interval histograms enhance arrhythmia analysis by identifying patterns, such as those consistent with either fixed coupling, rate dependence, parasystole, or multiform VEBs.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
0022-0736
pubmed:author
pubmed:issnType
Print
pubmed:volume
33
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
137-45
pubmed:dateRevised
2009-11-11
pubmed:meshHeading
pubmed:year
2000
pubmed:articleTitle
Enhancing long-term ECG monitoring with graphic analysis of coupling intervals.
pubmed:affiliation
Department of Cardiology, Hadassah University Hospital, Ein Kerem, Jerusalem, Israel.
pubmed:publicationType
Journal Article