Document Detail

The effect of cycle length on the atrial refractory period.
MedLine Citation:
PMID:  6209644     Owner:  NLM     Status:  MEDLINE    
The effect of cycle length upon refractory period of the atria was measured in 34 patients. The effect of abrupt change in paced cycle length on atrial refractory period was measured by introducing after every eighth paced cycle (CLP) a test cycle (CLT) at an interval which was either 100 ms longer (CLT = CLP + 100 ms) or shorter (CLT = CLP - 100 ms) than the paced cycle. These findings confirm that: (1) atrial refractory periods shorten with decreasing cycle length during steady state pacing; (2) an abrupt change in paced cycle length results in a change in refractory period. This change is similar in direction but smaller in magnitude than the change which occurs in response to steady state pacing; and (3) there is no correlation between intraatrial conduction time and refractoriness.
P Denes
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Pacing and clinical electrophysiology : PACE     Volume:  7     ISSN:  0147-8389     ISO Abbreviation:  Pacing Clin Electrophysiol     Publication Date:  1984 Nov 
Date Detail:
Created Date:  1985-01-24     Completed Date:  1985-01-24     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7803944     Medline TA:  Pacing Clin Electrophysiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1108-14     Citation Subset:  IM    
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MeSH Terms
Atrial Function
Cardiac Pacing, Artificial*
Heart Atria / physiopathology
Heart Conduction System / physiology*,  physiopathology
Time Factors

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

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