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Tests
An ANA test is a blood test that looks for antinuclear antibodies in your blood. Antibodies are proteins that your immune system makes to fight foreign substances, like viruses and bacteria. But an antinuclear antibody attacks your healthy cells instead. It's called "antinuclear" because it targets the nucleus of the cells, which is in charge of sending signals that are needed for important cell functions.
Tests
Blood proteins released when heart muscle is injured; the primary laboratory marker in the evaluation of possible acute myocardial infarction.
Tests
An immunoassay in which a fluorescent-labeled antibody binds directly to a target antigen.
Tests
A biomarker that rises markedly in systemic bacterial infection; used to support antibiotic decisions in respiratory infections and sepsis pathways.
