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Acquired Immune Deficiency Syndrome (AIDS) Learning Center
Tests could include:
- History and Physica...
- Absolute CD4 Count
- HIV 1 Antigen Assay...
- HIV-1 Antibody Assa...
- Enzyme-Linked Immun...
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HIV Viral Load Test
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CD4/CD8 ratio
- HIV 1/2 Antibody Te...
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Rapid Human Immunodeficiency Virus Type 1 (HIV-1) Antibody Test
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HIV P24 Antigen Test
- HIV-1 Western Blot ...
- HIV-1 ELISA Test
- Oraquick Rapid HIV-...
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HIV-2 Antibody Test
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CD3/CD4/CD8 Count
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HIV 1 Polymerase Chain Reaction (PCR)
- Viral Load Level Te...
- Human Immunodeficie...
- CD4 Lymphocyte Count
- Complete Blood Coun...
- Electrolyte Panel
- Serum Creatinine Te...
- Electrocardiogram (...
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Immunofluorescence Test
- Liver Function Tests
- Serum Albumin Test
- Blood Urea Nitrogen...
- Tuberculin Skin Test
- Venereal Disease Re...
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HIV antigen test
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The following is a list of AIDS-related infections and cancers that people with AIDS may get as their CD4 count decreases. In the past, having AIDS was defined as having HIV infection and getting one of these additional diseases. Today, according ...
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Because HIV infection produces such a wide range of symptoms, the CDC has drawn up a list of 34 conditions regarded as defining AIDS. The physician will use the CDC list to decide whether the patient falls into one of these three groups: definitiv...
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In the early stages of infection, HIV often causes no symptoms and the infection can be diagnosed only by testing a person's blood. Two tests are available to diagnose HIV infection, one that looks for the presence of antibodies produced by the bo...
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Because HIV infection produces such a wide range of symptoms, the CDC has drawn up a list of 34 conditions regarded as defining AIDS. The physician will use the CDC list to decide whether the patient falls into one of these three groups: definitiv...
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Because HIV infection produces such a wide range of symptoms, the CDC has drawn up a list of 34 conditions regarded as defining AIDS. The physician will use the CDC list to decide whether the patient falls into one of these three groups: definitiv...
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During a physical examination, a health care provider studies a patient's body to determine the presence or absence of physical problems. A typical physical examination includes: Inspection (looking at the body; Palpation (feeling the body with ha...
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The health status of populations and of individuals is assessed for many reasons. Assessing needs for care helps guide the allocation of resources— diagnostic assessments guide treatment, prognostic assessments contribute to planning, and assessin...
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ELISA stands for enzyme-linked immunoassay. It is a commonly used laboratory test to detect antibodies in the blood.
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HIV ELISA/Western blot is a set of blood tests used to diagnose chronic infection with human immunodeficiency virus (HIV.
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The blot test is a method used to detect and identify DNA or RNA samples, using absorbent paper electrophoresis. The original test in this group was developed by British biologist M. E. Southern in 1975, and is named the Southern blot test. As rel...
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AIDS tests, short for acquired immunodeficiency syndrome tests, cover a number of different procedures used in the diagnosis and treatment of HIV-infected patients. Tests that measure antibodies to the human immunodeficiency virus (HIV) are called...
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AIDS tests, short for acquired immunodeficiency syndrome tests, cover a number of different procedures used in the diagnosis and treatment of HIV patients. These tests are sometimes called AIDS serology tests. Serology is the branch of immunology ...
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T cells are a type of white blood cells (lymphocytes. They make up part of the immune system. T cells help the body fight diseases or harmful substances. A test can be done to measure the number of T cells in your blood.
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A complete blood count (CBC) test measures the following: The number of red blood cells (RBCs; The number of white blood cells (WBCs; The total amount of hemoglobin in the blood; The fraction of the blood composed of red blood cells (hematocrit; T...
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One of the most commonly ordered clinical laboratory tests, a blood count, also called a complete blood count (CBC), is a basic evaluation of the cells (red blood cells, white blood cells, and platelets) suspended in the liquid part of the blood (...
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A complete blood count (CBC) is a series of tests used to evaluate the composition and concentration of the cellular components of blood. It consists of the following tests: red blood cell (RBC) count, white blood cell (WBC) count, and platelet co...
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The clinical laboratory test that evaluates the three main cellular components of peripheral blood (red cells, white cells, and platelets) is called the "complete blood count" (CBC). It is used commonly to assess whether a patient is anemic (low r...
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A complete blood count (CBC) is a series of tests used to evaluate the composition and concentration of the cellular components of blood. It consists of the following tests: red blood cell (RBC) count, white blood cell (WBC) count, and platelet co...
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Electrolytes are positively and negatively charged molecules, called ions, that are found within cells, between cells, in the bloodstream, and in other fluids throughout the body. Electrolytes with a positive charge include sodium, potassium, calc...
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Electrolytes are positively or negatively charged particles that readily dissolve in water. The predominant positively charged electrolytes in the body are sodium, potassium, calcium , and magnesium, while negatively charged electrolytes include c...
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Electrolytes are positively and negatively charged ions that are found within the cells and extracellular fluids, including blood plasma. A test for electrolytes includes the measurement of sodium, potassium, chloride, and bicarbonate. These ions ...
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Electrolytes are positively and negatively charged molecules called ions, that are found within the body's cells and extracellular fluids, including blood plasma. A test for electrolytes includes the measurement of sodium, potassium, chloride, and...
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Creatinine is a breakdown product of creatine, which is an important part of muscle. This article discusses the laboratory test to measure the amount of creatinine in the blood. Creatinine can also be measured with a urine test. See: Creatinine - ...
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Creatine is an important compound produced by the body. It combines with phosphorus to make a high-energy phosphate compound in the body. Creatine phosphate is used in skeletal muscle contraction.
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An electrocardiogram (ECG) is a test that records the electrical activity of the heart. See also: Holter monitoring; Stress test.
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Electrocardiography is a commonly used, noninvasive procedure for recording electrical changes in the heart. The record, which is called an electrocardiogram (ECG or EKG), shows the series of waves that relate to the electrical impulses that occur...
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The electrocardiography unit, also called an electrocardiograph, is an apparatus that indirectly measures the heart's electrical activity and records it as a graphic tracing.
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The electrocardiogram (ECG) displays important information about the heart, including the occurrence of a heart attack or lack of oxygen, whether conduction of the heartbeat is disturbed, or its rate or rhythm altered. It is useful as a rapid indi...
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Common tests that are used to evaluate liver function include: Albumin; Alpha-1 antitrypsin; ALP; ALT; AST; Gamma-glutamyl transpeptidase (GGT; Prothrombin time; Serum bilirubin; Urine bilirubin. Please see individual tests for details on how each...
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Liver function tests, or LFTs, include tests for bilirubin, a breakdown product of hemoglobin, and ammonia, a protein byproduct that is normally converted into urea by the liver before being excreted by the kidneys. LFTs also commonly include test...
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Liver function tests, or LFTs, include tests that are routinely measured in all clinical laboratories. LFTs include bilirubin, a compound formed by the breakdown of hemoglobin; ammonia, a breakdown product of protein that is normally converted int...
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Liver function tests, or LFTs, include tests that are routinely measured in all clinical laboratories. LFTs include bilirubin, a compound formed by the catabolism of hemoglobin; ammonia, a product of protein catabolism that is normally converted i...
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Albumin is a protein made by the liver. A serum albumin test measures the amount of this protein in the clear liquid portion of the blood.
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BUN stands for blood urea nitrogen. Urea nitrogen is what forms when protein breaks down. A test can be done to measure the amount of urea nitrogen in the blood.
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The blood urea nitrogen (BUN) test measures the level of urea nitrogen in a sample of the patient's blood. Urea is a substance that is formed in the liver when the body breaks down protein. Urea then circulates in the blood in the form of urea nit...
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The PPD skin test is a method used to diagnose tuberculosis. PPD stands for purified protein derivative.
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Tuberculosis (TB) is an airborne infectious disease caused by the bacteria Mycobacterium tuberculosis . Besides culturing in the laboratory, the two most common types of tests to screen for exposure to this disease are the Mantoux PPD tuberculin s...
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Tuberculosis (TB) is an airborne infectious disease caused by the bacteria Mycobacterium tuberculosis . The two most common types of tests that are used to screen for this disease are the Mantoux PPD tuberculin skin test, which is generally consid...
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The Mantoux test is a skin test used to identify individuals who have previously been infected with Mycobacterium tuberculosis , the bacterium responsible for tuberculosis infection and disease in humans. The test is performed by injecting 0.1 ml ...
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The VDRL test is a screening test for syphilis. It measures substances, called antibodies, that can be produced in response to Treponema pallidum, the bacteria that causes syphilis. The test is similar to the newer rapid plasma reagin (RPR) test.
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In connection with syphilis control, the standard test for measuring nontreponemal antibodies is the Venereal Disease Research Laboratory (VDRL) test. In this test, heated serum or unheated cerebrospinal fluid is mixed with reagin (a purified mixt...
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