[Acute myocardial infarct without pathological CK-MB isoenzyme activities]
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Fortschritte Der Medizin
|December 15, 1977
Insights
Serum creatine kinase-MB (CK-MB) is a key indicator for heart conditions. While not always elevated in myocardial infarction cases, CK-MB testing remains valuable for diagnosing heart diseases.
Area of Science:
- Biochemistry
- Cardiology
- Clinical Diagnostics
Context:
- Myocardial infarction (heart attack) is a critical cardiovascular event.
- Serum creatine kinase (CK) and its isoenzyme CK-MB are commonly measured biomarkers.
- CK-MB is traditionally considered a specific indicator of myocardial injury.
Purpose:
- To evaluate the diagnostic utility of serum CK-MB in patients with myocardial infarction.
- To assess the specificity and sensitivity of CK-MB as a biomarker for heart attack.
Summary:
- Serum total creatine kinase (CK) and the isoenzyme CK-MB were analyzed in 69 patients diagnosed with myocardial infarction.
- Pathological elevations in CK-MB activity were not observed in 5 of the myocardial infarction cases.
- Despite some cases lacking elevated CK-MB, its role as a differential diagnostic tool in heart disease remains significant.
Impact:
- Highlights the importance of CK-MB in the differential diagnosis of cardiac conditions.
- Suggests that while CK-MB is a valuable marker, its absence in some myocardial infarction cases warrants consideration of other diagnostic factors.
- Reinforces the clinical utility of CK-MB testing in cardiology practice.
Abstract:
Serum CK-MB is regarded as a specific indicator for myocardial diseases. Total CK and the isoenzyme CK-MB were measured in 69 patients with myocardial infarction. In 5 of the cases no pathological CK-MB-activities have been seen. Nevertheless, the clinical importance of CK-MB determination as a differential diagnostic aid remains.