Document Detail

Clinical estimation of left ventricular size: precordial electrocardiographic voltage corrected by the measurement of thorax.
MedLine Citation:
PMID:  7321155     Owner:  NLM     Status:  MEDLINE    
The left ventricular muscle volume (LVMV) was determined echocardiographically and the radius of the circle with equal circumference to the thorax (R1) was calculated from thorax-circumference in 688 children as a part of the Shimane Heart Study. correlation of the summed precordial voltage (SV1 + RV5) with LVMV was not close (r = 0.377 in boys and -0.095 in girls). The precordial voltage (SV1 + RV5) was corrected by the square of R1 to compensate for the diminution of electrical potential by distance. Correlation between (R1) 2 x (SV1 + RV5) and LVMV was good in boys (r = 0.681) and relatively good in girls (r= 0.554). This fact indicates that LVMV can be predicted from ECG and anthropometric measurements of thorax without using echocardiography. Therefore, (R1) 2 x (SV1 + RV5) seems to have clinical applicability as the index of LV size, if the differences in (R1) 2 x (SV1 + RV5) and in the correlation coefficient between both sexes are clarified further.
T Nishio; C Mori; K Abe; M Saito; N Haneda; T Soeda
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Japanese circulation journal     Volume:  45     ISSN:  0047-1828     ISO Abbreviation:  Jpn. Circ. J.     Publication Date:  1981 Dec 
Date Detail:
Created Date:  1982-03-26     Completed Date:  1982-03-26     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7806868     Medline TA:  Jpn Circ J     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  1430-2     Citation Subset:  IM    
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MeSH Terms
Child, Preschool
Heart / anatomy & histology*
Heart Ventricles / anatomy & histology
Thorax / anatomy & histology*

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