One hundred patients, who had survived their first episode of myocardial infarction, were studied by serial ballistocardiograms which provided a reliable index in determining myocardial functional recovery. The degree of ballistocardiographic reversion toward normal, as judged by an 18-month or longer follow-up period, has proved to be a valuable standard for prognosis.
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Mandelbaum et al. (1953) studied this question.
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