LAWRENCE J. KAGEN, M.D.; STEPHEN SCHEIDT, M.D.
To the editor: With regard to the article by Dr. Roberts in the December issue (Ann Intern Med 87:788-789, 1977) on the comparative values of MB-creatine kinase and myoglobin in patients with myocardial infarction, it might be worthwhile pointing out some areas where assessment of myoglobin can be of particular help or interest to the physician.
1. There are occasions when patients who are early in the course of myocardial infarction may have increased levels of serum myoglobin with normal total creatine kinase values. In our study (1), five of 13 patients had this presentation. Further, the small size of
KAGEN LJ, SCHEIDT S. Myoglobin in Myocardial Infarction. Ann Intern Med. ;88:716. doi: 10.7326/0003-4819-88-5-716_3
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Published: Ann Intern Med. 1978;88(5):716.
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