Why the study?
Do serial measurements of CK and CK-MB activity and concentration improve the early diagnosis of acute myocardial infarction in patients with cardiac symptoms?
Population
73 patients admitted to the coronary care unit with cardiac symptoms of 12 h duration or less
Design
Cohort
Follow-up
8 hours
Authors
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May support 4-hour AMI diagnosis with combined CK metrics; leaves open prospective validation versus modern troponin protocols.
Do serial measurements of CK and CK-MB activity and concentration improve the early diagnosis of acute myocardial infarction in patients with cardiac symptoms?
Serial measurement of CK slope combined with CK-MB concentration enables accurate diagnosis of acute myocardial infarction within 4 hours of admission.
Collinson et al. (1992) studied this question.
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