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[Diagnostic value of serum myoglobin]
Minerva Medica
|September 19, 1980
Summary
Serum myoglobin levels can help diagnose acute myocardial infarct. Elevated myoglobin indicates heart muscle damage, with levels returning to normal within 37 hours after pain onset.
Area of Science:
- Cardiology
- Biochemistry
Context:
- Acute myocardial infarct diagnosis relies on various biomarkers.
- Serum myoglobin is a potential indicator of cardiac muscle injury.
Purpose:
- To evaluate the diagnostic utility of serum myoglobin determination in patients with suspected acute myocardial infarct.
Summary:
- Radioimmunological determination of serum myoglobin was performed in 115 patients.
- Pathological values were observed in 45/55 patients with acute myocardial infarct, with levels rising 2 hours after pain onset and peaking at 6-20 hours.
- Normal levels were restored within 37 hours. Slight increases were noted in angina pectoris, myocardial ischemia, and non-infarct pulmonary edema, but not in non-cardiac chest pain.
Impact:
- Serum myoglobin shows promise as a sensitive biomarker for early diagnosis of acute myocardial infarct.
- This biomarker aids in differentiating cardiac from non-cardiac chest pain, improving clinical decision-making.