Visual estimation of ejection fraction by two‐dimensional echocardiography: The learning curve
Key result
Visual estimation of ejection fraction by two-dimensional echocardiography can be learned, with significant improvement in correlation after a learning curve of approximately 20 studies.
Why the study?
Does visual estimation of ejection fraction by two-dimensional echocardiography improve with immediate feedback?
Population
60 consecutive patients who had clinically indicated echocardiography and radionuclide ventriculography…
Comparison
Visual estimation of ejection fraction by… vs Radionuclide ventriculography EFs
Design
Cross-sectional, reviewed independently
Authors
Discussion
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Member takes
Implication
Supports immediate feedback in visual EF training; hypothesis-generating for optimal curricula without reference standards.
Study Design
Type
Observational (n=60)
Structured PICO
Does visual estimation of ejection fraction by two-dimensional echocardiography improve with immediate feedback?
P
Population
60 consecutive patients who had clinically indicated echocardiography and radionuclide ventriculography (RVG) within 1 month
I
Intervention
Visual estimation of ejection fraction (EF) by two-dimensional echocardiography with immediate feedback of RVG EFs
C
Comparator
Radionuclide ventriculography (RVG) EFs (reference standard)
O
Outcome
Correlation between visual estimation of EF by echocardiography and RVG EF over successive groups of studiessurrogate
Visual estimation of ejection fraction by echocardiography can be accurately learned after approximately 20 studies when immediate feedback from a reference standard is provided.
Cite This Study
Akinboboye et al. (1995) conducted an observational in Patients requiring echocardiography and radionuclide ventriculography (n=60). Visual estimation of ejection fraction by echocardiography vs. Radionuclide ventriculography (RVG) was evaluated on Correlation between visual estimation of EF and RVG EF. Visual estimation of ejection fraction by two-dimensional echocardiography can be learned, with significant improvement in correlation after a learning curve of approximately 20 studies.