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The value of creatine phosphokinase (CPK) isoenzymes, in the presence of normal total CPK, for assessing myocardial infarction is discussed. Forty-six patients in a coronary care unit were studied to ascertain the clinical usefulness of CPK isoenzymes for diagnosing myocardial infarction when the levels of total CPK were within normal range. The majority of patients studied had some cardiac abnormality on either ECG or x-ray examination. Approximately 50 percent of patients had chest pain, but only five of the 46 had a detectable CPK isoenzyme level on CPK electrophoresis. The results of this study suggest that CPK isoenzymes do not add anything of diagnostic value to the clinical picture if the total CPK is normal.
W L Ruff, and
R Worrell, and
K Ng
January 1982,
Indian journal of pediatrics,
W L Ruff, and
R Worrell, and
K Ng
January 1978,
Archivos del Instituto de Cardiologia de Mexico,
W L Ruff, and
R Worrell, and
K Ng
June 1979,
Nihon rinsho. Japanese journal of clinical medicine,
W L Ruff, and
R Worrell, and
K Ng
February 1968,
Rinsho byori. The Japanese journal of clinical pathology,
W L Ruff, and
R Worrell, and
K Ng
September 1974,
Minnesota medicine,
W L Ruff, and
R Worrell, and
K Ng
January 1965,
Padiatrie und Grenzgebiete,
W L Ruff, and
R Worrell, and
K Ng
November 1972,
Minnesota medicine,
W L Ruff, and
R Worrell, and
K Ng
May 1980,
Ginekologia polska,
W L Ruff, and
R Worrell, and
K Ng
October 1978,
Hawaii medical journal,
