LP14686-7

Myoglobin

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Descriptions

A conjugated protein which is the oxygen-transporting pigment of muscle. It is made up of one globin polypeptide chain and one heme group. Source: National Library of Medicine, MeSH 2006

Myoglobin is a very sensitive marker (90-100%) for acute myocardial infarction (AMI) but lacks specificity. Serum concentrations of myoglobin increase above the reference interval as early as 1 hour after MI, with peak sensitivity in the range of 2-12 hr, suggesting that serum myoglobin reflects the early course of myocardial necrosis. Myoglobin is rapidly cleared and thus has a substantially reduced clinical sensitivity after 12 hr. For detecting AMI, myoglobin must be measured within the first 0-4 hr, the time period in which CK-MB and possibly cardiac troponin are still within their reference range. Copyright Copyright © 2001 WB Saunders. Source: Tietz

Basic Part Properties

Part Name

Myoglobin

Part Display Name

Myoglobin

Part Type

Component (Describes the core component or analyte measured)

Created On

2000-05-04

Construct for LOINC Short Name

Myoglobin

Related Codes

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