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MYOGLOBIN

Myoglobin is a protein that’s usually found in the heart and skeletal muscle tissues. The only time that myoglobin is discovered in the bloodstream is when injury to a muscle has occurred. A specific, injury to the heart muscle results in the release of myoglobin. When discovered through a blood test, the presence of myoglobin is clinically significant.

WHY SHOULD I GET TESTED?

To determine and diagnose conditions associated with muscles injury and damage.

WHEN SHOULD I GET TESTED?

Testing should be ordered if you are experiencing symptoms associated with muscle damage (e.g. muscle weakness, aches, and/or dark urine) or if you have experienced severe traumatic injury to the skeletal muscle.

This test is sometimes used to determine if you have had a heart attack. However, for heart attack detection, this test has been largely replaced by troponin.

  • Why do I need this test?

 

  • The Myoglobin test is ordered when your health care provider suspects you have muscle damage, often of the skeletal muscles.

 

  • Normal Results
  • The normal range is 25 to 72 ng/mL (1.28 to 3.67 nmol/L).

 

  • Note: Normal value ranges might be slightly different among in different laboratories. Various labs use different measurements or test different samples.

 

  • What Abnormal Results Mean
  • An elevated level of myoglobin might be due to:

 

  • ✔Heart attack
  • ✔Malignant hyperthermia (very rare)
  • ✔Disorder that causes muscle weakness and loss of muscle tissue (muscular dystrophy)
  • ✔Breakdown of muscle tissue that leads to the release of muscle fiber contents into the blood (rhabdomyolysis)
  • ✔Skeletal muscle inflammation (myositis)
  • ✔Skeletal muscle ischemia (oxygen deficiency)
  • ✔Skeletal muscle trauma
Myoglobin

Myoglobin

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Note: The medical information provided here in this website is for informational purposes only and is not to be used as a substitute for professional medical advice, diagnosis or treatment.