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a patielnt with newly acquired right bundle-branch block? Though its appearance suggests the possibility of heart disease it is not specifically related to any condition. A simple history and examination should show up any apparent under- lying cardiovascular disease needing treatment. Regular follow-up is justified; but in the absence of any other clinically evident cardiovascular abnormality patients should not have their activities restricted, nor should they need invasive investigation.
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A 1980 study studied this question.
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