No abstract available
MeSH terms
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Acoustics
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Adult
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Aortic Valve / diagnostic imaging*
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Artifacts*
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Echocardiography, Transesophageal*
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Electrodes*
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Heart Valve Diseases / diagnostic imaging*
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Heart Ventricles / diagnostic imaging
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Heart Ventricles / physiopathology*
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Humans
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Male
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Pacemaker, Artificial*