The T3 test is requested by the doctor after altered TSH or T4 hormone results or when the person presents signs and symptoms of hyperthyroidism, such as nervousness, weight loss, irritability and nausea, for example. The TSH hormone is responsible for stimulating the production of T4, mainly, which is metabolized in the liver with the […]
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The aspartate aminotransferase or oxaloacetic transaminase test (AST or TGO) is a blood test requested to investigate injuries that compromise the normal functioning of the liver, such as hepatitis or cirrhosis, for example. Oxaloacetic transaminase, or aspartate aminotransferase, is an enzyme present mainly in the liver, muscles and heart and, therefore, is normally elevated due […]
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The HIV test is carried out to detect the presence of the HIV virus in the body and must be carried out at least 30 days after exposure to risk situations, such as unprotected sexual intercourse or contact with blood or secretions of people with the HIV virus. The HIV test is simple and is […]
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The leukogram is a part of the blood test that evaluates leukocytes, also called white blood cells, which are the cells responsible for the body’s defense. This test indicates the number of neutrophils, rods or segmented neutrophils, lymphocytes, monocytes, eosinophils and basophils present in the blood. Increased white blood cell levels, known as leukocytosis, can […]
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Estrone is a type of estrogen, known as E1, produced by the ovaries, adrenal gland and fat cells, exerting its effects on the reproductive, nervous, musculoskeletal and cardiovascular systems. Although estrone is the type of estrogen that is in the least amount in the body, it is one of the ones that has the greatest […]
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Rheumatoid factor is an autoantibody that can be produced in some autoimmune diseases and that reacts against IgG, forming immune complexes that attack and destroy healthy tissues, such as joint cartilage, for example. The rheumatoid factor test is carried out by analyzing a small blood sample, which must be collected and sent for analysis in […]
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Fructosamine is a blood test that allows you to evaluate the effectiveness of treatment in cases of diabetes, especially when recent changes have been made to the treatment plan, whether in the medications used or changes in lifestyle habits, such as diet or exercise, for example. Generally, this test is used to evaluate changes in […]
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The presence of epithelial cells in urine is considered normal and generally has no clinical relevance, as it indicates that there has been natural desquamation of the urinary tract, causing these cells to be eliminated in the urine. However, epithelial cells in urine can also be a sign of urinary infection, kidney changes or indicate […]
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The CEA exam is used to check the levels of carcinoembryonic antigen (CEA) in the blood, a protein that can be produced at abnormal levels in the case of some tumors, such as colorectal and thyroid cancer, and diseases, such as gastritis and diabetes. This exam is mainly indicated to monitor the response of colorectal […]
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