Why the study?
What is the week-to-week, inter- and intraobserver variability of left ventricular dimensions measured by M-mode echocardiography in normal subjects and patients with valvular heart disease?
Population
15 subjects (10 normal male volunteers and 5 patients with stable valvular disease)
Design
Other
Follow-up
week-to-week
Authors
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Minimal M-mode echo variability supports reliable LV assessment; leaves open validation in larger prospective cohorts.
What is the week-to-week, inter- and intraobserver variability of left ventricular dimensions measured by M-mode echocardiography in normal subjects and patients with valvular heart disease?
M-mode echocardiography provides highly reproducible measurements of left ventricular dimensions with minimal week-to-week, interobserver, and intraobserver variability.
Ladipo et al. (1980) studied this question.