Document Detail

Stress and ectopic beats in ships' pilots.
MedLine Citation:
PMID:  7161728     Owner:  NLM     Status:  MEDLINE    
There has been much discussion about the significance and causes of ectopic beats. They may be found in the electrocardiograms of apparently healthy subjects, although ectopic beats with aberrant contour are commonly regarded as indicating an underlying cardiac pathology. There has been speculation that stress may play a part in precipitating them, but this does not necessarily imply that aberrant beats are a completely normal response. Ships' pilots were studied at work using long-term ambulatory ECG recordings which were analysed for aberrant beats both visually and by computer. A group of eight subjects whose recordings contained more than one or two isolated aberrant beats also tended to have more indications of abnormality in their clinical electrocardiograms (p less than 0.02), and to score higher on the Neuroticism scale of the Eysenck Personality inventory (p less than 0.05), than a Control Group of six other pilots. At work, the aberrant beats occurred most often when the pilots were involved in demanding activities, notably maneuvoring ships in hazardous situations; these periods were frequently marked by large increase in heart rate. Coronary risk factors, such as serum cholesterol and overweight, while being generally high, did not discriminate between those subjects who produced frequent aberrant beats and those who did not.
T C Cook; P M Cashman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of psychosomatic research     Volume:  26     ISSN:  0022-3999     ISO Abbreviation:  J Psychosom Res     Publication Date:  1982  
Date Detail:
Created Date:  1983-04-07     Completed Date:  1983-04-07     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0376333     Medline TA:  J Psychosom Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  559-69     Citation Subset:  IM    
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MeSH Terms
Arrhythmias, Cardiac / psychology*
Attention / physiology
Electrocardiography* / instrumentation
Heart Rate
Naval Medicine
Occupational Diseases / psychology*
Physical Exertion
Stress, Psychological / complications*

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