No abstract available
Publication types
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Comparative Study
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Evaluation Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Adult
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Aged
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California
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Diagnostic Errors
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Echocardiography
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Equipment Design
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Female
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Humans
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Male
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Middle Aged
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Point-of-Care Systems / standards
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Stroke Volume / physiology
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Ultrasonography* / instrumentation
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Ultrasonography* / statistics & numerical data*
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Ventricular Dysfunction, Left / diagnosis
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Ventricular Function, Left / physiology*