No abstract available
MeSH terms
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Blood Flow Velocity
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Cardiac Catheterization
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Cardiomyopathies / diagnosis
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Cardiomyopathies / physiopathology
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Catheterization / adverse effects
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Echocardiography, Doppler / methods*
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Esophagoscopy
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Female
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Heart Septum / pathology*
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Heart Septum / physiopathology
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Humans
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Middle Aged
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Mitral Valve Stenosis / therapy
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Valsalva Maneuver*