Document Detail

Blood pressure variability of the individual in orthostatic testing.
MedLine Citation:
PMID:  496744     Owner:  NLM     Status:  MEDLINE    
Within-subject blood pressure (BP) variability was studied in the context of orthostatic testing. Nineteen healthy men volunteered for biweekly orthostatic testing. BP's were taken on alternate minutes during 5 min of supine rest and a subsequent 5 min of quiet standing. Within-subject variance was computed for systole and diastole by protocol condition; respective variances were than pooled (i.e. averaged) across subjects. The within-subject estimate of variance for a single BP reading in either position was approximately 6 torr (i.e. 1 S.D.). This variance estimate was reduced by averaging additional BP readings from the same visit, and more so by averaging BP readings from multiple visits. These findings have use in the design of orthostatic protocols and in the interpretation of BP data derived therefrom.
R A Wolthuis; D H Hull; J R Fischer; D A McAfoose; J T Curtis
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Aviation, space, and environmental medicine     Volume:  50     ISSN:  0095-6562     ISO Abbreviation:  Aviat Space Environ Med     Publication Date:  1979 Aug 
Date Detail:
Created Date:  1979-12-18     Completed Date:  1979-12-18     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7501714     Medline TA:  Aviat Space Environ Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  774-7     Citation Subset:  IM; S    
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MeSH Terms
Analysis of Variance
Blood Pressure*

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

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