No abstract available
MeSH terms
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Aged, 80 and over
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Artifacts*
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Bundle-Branch Block / diagnosis*
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Bundle-Branch Block / prevention & control
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Diagnostic Errors / prevention & control*
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Electrocardiography / instrumentation*
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Electrocardiography / methods*
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Equipment Failure
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Humans
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Male
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Pacemaker, Artificial*
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Reproducibility of Results
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Sensitivity and Specificity