Evaluation of the echocardiogram as an epidemiologic tool in an asymptomatic population.
- 1 October 1979
- journal article
- abstracts
- Published by Ovid Technologies (Wolters Kluwer Health) in Circulation
- Vol. 60 (4), 921-929
- https://doi.org/10.1161/01.cir.60.4.921
Abstract
An asymptomatic adult population of 196 men and women was studied with the echocardiogram to derive age- and sex-specific "normal" values for a number of clinically used echocardiograhic variables. The results are in general agreement with previously published normal values. Body position during the examination, age and sex influence the echocardiographic results; body surface area correction normalized most of these effects. The prevalence of occult abnormalities determined by the echocardiogram is 7%; the most common finding was mitral valve prolapse. Inter- and intraobserver variability was assessed. The interobserver differences found on analysis are statistically, but not clinically , significant. The echocardiogram appears to be a suitable tool to use in epidemiologic studies to detect selected cardiac abnormalities, but is limited for this purpose because some subjects in such a population cannot be adequately examined.Keywords
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