BackDuration: 10 minutes
Sensitive marker for muscle injury
Clinical significance of test
Myoglobin (Myo) is an iron and oxygen-binding protein found in the heart and skeletal muscles. In the human body, myoglobin is only found in the bloodstream after heart or muscle tissues are injured. When injury occurs, myoglobin can be rapidly released into the blood and exceeds its normal levels in about 1 hour. Thus, myoglobin is a sensitive marker for heart or muscle injury, making it a potential indicator of heart attack in patients with chest pain. However, elevated myoglobin has low specificity for acute myocardial infarction (AMI).
Steps of operation
Clinical application
Diagnosing and assessing the severity of a recent heart attack, which is marked by:
- Chest pain or discomfort
- Radiating pain to the jaw and face
- Heartburn and indigestion
- Assessing the severity of muscular trauma and muscle diseases
Interpretation of results
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