Document Detail

Exercise electrocardiography of health black children.
MedLine Citation:
PMID:  655143     Owner:  NLM     Status:  MEDLINE    
Exercise electrocardiography was performed on 170 healthy black children 7 to 14 years of age in order to determine the normal childhood electrocardiographic response to exercise. R-wave amplitude decreased from 27 +/- 8 (SD) to 22 +/- 8 mm (P less than .01) and the S-wave amplitude increased from 6.9 +/- 4.4 to 7.8 +/- 5 mm (P less than .01), indicating a shift of the mean QRS vector to the right at maximum exercise. J-point depression of 1.0 mm or greater was observed in 2.3% of children at maximum exercise, using the PR isoelectric line. ST-segment slope increased from 1.5 +/- 0.7 to 4.3 +/- 1.5 mV/sec at maximum. T-wave duration decreased with exercise and T-wave amplitude initially decreased with mild exercise but exceeded resting values at maximum exercise. No dysrhythmias were observed during or after the exercise study.
M K Thapar; W B Strong; M D Miller; L Leatherbury; M Salehbhai
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of diseases of children (1960)     Volume:  132     ISSN:  0002-922X     ISO Abbreviation:  Am. J. Dis. Child.     Publication Date:  1978 Jun 
Date Detail:
Created Date:  1978-07-26     Completed Date:  1978-07-26     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0370471     Medline TA:  Am J Dis Child     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  592-5     Citation Subset:  AIM; IM    
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MeSH Terms
African Americans*
Exercise Test*
False Positive Reactions
Heart Rate

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

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