The Myoglobin test is a rapid chromatographic immunoassay for the qualitative detection of human Myoglobin in whole blood, serum or plasma as an aid in the diagnosis of myocardial infarction (MI). This test utilizes a combination of antibody coated particles and capture reagents to qualitatively detect myoglobin at a limit of detection (LOD) of 50 ng/mL.

Myoglobin (MYO) is proteins released into the bloodstream after cardiac injury.  Myoglobin is a heme-protein normally found in skeletal and cardiac muscle with a molecular weight of 17.8 kDa. It constitutes about 2 percent of total muscle protein and is responsible for transporting oxygen within muscle cells. When muscle cells are damaged, Myoglobin is released into the blood rapidly due to its relatively small size. The level of Myoglobin increases measurably above baseline within 2 - 4 hours post-infarct, peaking at 9 - 12 hours, and returning to baseline within 24 - 36 hours.

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