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What is a Normal Myoglobin Level?

Published in Medical Diagnostics 2 mins read

A normal myoglobin level typically falls within the range of 25 to 72 ng/mL (1.28 to 3.67 nmol/L).

Myoglobin is a protein found in heart and skeletal muscle. It releases oxygen when the muscles need it. Measuring myoglobin levels in the blood can help diagnose muscle damage.

However, it's important to note that normal value ranges can vary slightly depending on the laboratory performing the test. Therefore, always refer to the specific reference range provided by the lab that processed your sample. Also, myoglobin is not the best test for heart attacks because it rises and falls quickly. Troponin is a more specific and sensitive marker for heart damage.

Here's a summary in table format:

Measurement Normal Range
Myoglobin 25 to 72 ng/mL
Myoglobin 1.28 to 3.67 nmol/L

Important Considerations:

  • Lab Variations: Always consider the reference range provided by the specific laboratory that conducted the test.
  • Individual Factors: A doctor will interpret the myoglobin level in conjunction with other clinical information, such as symptoms, medical history, and other test results.
  • Elevated Levels: Elevated myoglobin levels can indicate muscle damage due to various causes, including heart attack, skeletal muscle injury, or certain medical conditions.
  • Lower than Normal Levels: Lower-than-normal levels are usually not a concern.

In summary, while the general range for normal myoglobin is 25 to 72 ng/mL, it's crucial to consult with a healthcare professional for accurate interpretation of your specific results within the context of your overall health.

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