Key result
Echocardiographic measurement of instantaneous mitral valve velocity demonstrated a close time relation to left ventricular wall movement during diastole, with a peak opening rate of 400 +/- 60 mm/s.
Why the study?
What is the instantaneous mitral valve leaflet velocity and its relation to left ventricular wall movement in normal subjects?
Population
20 normal subjects
Design
Cross-sectional
Authors
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May refine diastolic research metrics; extends prior average velocity methods but leaves open clinical validation.
Observational (n=20)
What is the instantaneous mitral valve leaflet velocity and its relation to left ventricular wall movement in normal subjects?
Continuous measurement of mitral valve velocity demonstrates a close temporal relationship with left ventricular wall movement during early diastole in normal subjects.
Upton et al. (1976) conducted an observational in Normal subjects (n=20). Echocardiography was evaluated on Instantaneous mitral valve velocity and its relation to left ventricular wall movement. Echocardiographic measurement of instantaneous mitral valve velocity demonstrated a close time relation to left ventricular wall movement during diastole, with a peak opening rate of 400 +/- 60 mm/s.
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