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Unusual increases in serum lactate dehydrogenase isoenzyme-5 activity caused by severe congestive cardiac failure: two case reports.
  1. V Prabhakaran,
  2. A R Henderson


    Two cases of congestive cardiac failure had unusually high activities of serum lactate dehydrogenase and lactate dehydrogenase isoenzyme-5. Values for isoenzyme-5 exceeding 87% of the total serum activity, and increases of 228- to 380-fold of the upper reference limit, are very uncommon.

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