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—I want to thank Dr Schifferli for emphasizing an important point: in evaluating any laboratory method, potential errors may derive from less specific methodology. My only point of minor disagreement deals with the selection of SGOT rather than LDH and LDH isozymes to evaluate atypical findings, ie, the inordinate MB fractions noted in these three patients.
Fisher ML. Creatine Kinase Isozyme Measurements in Patients With Suspected Myocardial Infarction-Reply. Arch Intern Med. 1984;144(5):1089. doi:10.1001/archinte.1984.00350170255045