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Shiga toxin-producing Escherichia coli

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Escherichia coli (E. coli) bacteria are part of healthy digestive systems, but some strains produce poisons called Shiga toxins that can cause severe diarrhea and hemolytic uremic syndrome (HUS). Lab tests can detect these disease-causing E. coli to help diagnose an infection.
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Aspartate Aminotransferase (AST)

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AST is an enzyme that is commonly tested to assess the health of your liver. Learn the ins and outs of AST testing, including how and when to get tested.
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Sweat Chloride Test

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The sweat chloride test helps diagnose cystic fibrosis (CF) in infants with a positive CF screening test or in people with symptoms of CF.
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Cardiac Biomarkers

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Overview of cardiac biomarkers, used to help diagnose acute coronary syndrome (ACS) and cardiac ischemia
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Widal Test

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Overview of the widal test, used in some places to help diagnose enteric (typhoid) fever
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Vitamin K

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Brief description of vitamin K tests and link to more information about vitamin K deficiency
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Autoantibodies

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Autoantibodies are proteins made by the immune system that target the body's own tissues when a person has an autoimmune disease.
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Genetic Tests for Targeted Cancer Therapy

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Genetic tests for targeted cancer therapy detect mutations (changes) in the DNA of cancer cells. Knowing whether the cancer has a particular mutation can help guide the type of treatment that a person receives. The presence or absence of certain mutations can predict who may benefit from certain drugs and who is not likely to respond.
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