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Beat-to-beat variation in echocardiographic measurements of left ventricular dimensions and function

✍ Scribed by John H. N. Bett; Lawrence G. Dryburgh

Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
968 KB
Volume
9
Category
Article
ISSN
0091-2751

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✦ Synopsis

Abstract

M‐mode echocardiography was used to explore the extent of spontaneous variation in left ventricular dimensions and indices of systolic and diastolic function. Extended records made in 26 subjects at rest were digitized and analyzed by computer. We found considerable beat‐to‐beat variation, in that measurements of five or more consecutive cycles were necessary to provide representative values for minor axis dimensions, while the degree of scatter for derived indices of function was greater. This has to be recognized when serial echocardiography is used to study the progress of disease or the effects of treatment.

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