Document Detail

Ambulatory electrocardiographic recording in endurance athletes.
MedLine Citation:
PMID:  7059398     Owner:  NLM     Status:  MEDLINE    
Data from ambulatory electrocardiographic recording in 35 highly trained endurance athletes and in 35 non-athletic controls of similar ages are given. The minimal, mean hourly, and maximal heart rates were significantly lower in the athletes. Thirteen athletes (37 . 1%) but only two controls (5 . 7%) had sinus pauses exceeding 2 . 0 seconds. First degree atrioventricular block was observed in 13 athletes (37 . 1%) and five controls (14 . 3%), second degree Wenckebach type block in eight athletes (22 . 9%) and two controls (5 . 7%), and second degree block with Mobitz II-like pattern in three athletes (8 . 6%) and no control. All athletes with Mobitz II-type pattern also had first degree and Wenckebach-type second degree atrioventricular block. The behavior of sinus rate on development of atrioventricular block varied, not only interindividually but also intraindividually, from absence of change to an increase or decrease in most subjects in both study groups. A decrease in sinus rate on appearance of atrioventricular block was found constantly in only two athletes and one control. Atrioventricular dissociation with junctional rhythm occurred in seven athletes (20%) and with ventricular rhythm in one athlete. Neither of these phenomena was seen in the group of controls. The athletes had slightly fewer ventricular extrasystoles than controls, and no athlete had ventricular tachycardia, whereas two controls had ventricular tachycardia.
M T Viitasalo; R Kala; A Eisalo
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  British heart journal     Volume:  47     ISSN:  0007-0769     ISO Abbreviation:  Br Heart J     Publication Date:  1982 Mar 
Date Detail:
Created Date:  1982-05-27     Completed Date:  1982-05-27     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  0370634     Medline TA:  Br Heart J     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  213-20     Citation Subset:  AIM; IM    
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MeSH Terms
Ambulatory Care
Arrhythmias, Cardiac / diagnosis
Heart / physiology*
Heart Block / diagnosis
Heart Conduction System / physiology
Heart Rate
Monitoring, Physiologic
Sports Medicine*

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

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