Myoglobin - urine
Alternate Names : Urine myoglobin
Definition
Urine myoglobin is a test to detect the presence of myoglobin in a sample of urine. Myoglobin is a protein in heart and skeletal muscles. When a muscle is exercised, it uses up available oxygen. Myoglobin has oxygen attached to it, which provides extra oxygen for the muscle to maintain a high level of activity for a longer period of time. When muscle is damaged, the myoglobin in muscle cells is released into the bloodstream. The kidneys help remove myoglobin out of the body. In large amounts, myoglobin can damage the kidney and break down into toxic compounds, causing kidney failure.
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