126 results found
Medical tests
… the past. The tests look for different signs of infection: Antigens , which are made by bacteria or viruses. Antibodies … B testing Hepatitis B Hepatitis B antibodies and/or antigens are found. More tests may be needed to see if you have an acute or chronic infection. Hepatitis B surface antigen shows an active infection. If the test is positive …
Medical tests
… , chickenpox, measles , influenza (flu), and some types of cancer. Viral tests may be done for viruses such as: Herpes … test results. The results of some viral tests ( antibody or antigen tests) are reported in titers. A titer is a measure … , chickenpox, measles , influenza (flu), and some types of cancer. Viral tests may be done for viruses such as: Herpes …
Medical tests
… blood type. Human blood is typed by certain markers (called antigens ) on the surface of red blood cells. Blood type … people are likely to be blood relatives. The most important antigens are blood group antigens (ABO) and the Rh antigen, which is either present …
Medical tests
… immunodeficiency virus (HIV) test detects HIV antibodies or antigens , or the genetic material ( DNA or RNA ) of HIV in … it takes about 4 to 12 weeks for HIV antibodies or antigens to appear in the blood. The period between becoming … infected with HIV and the point at which antibodies or antigens to HIV can be detected in the blood is called the …
Medical tests
… The test is done by putting a small amount of TB protein ( antigens ) under the top layer of skin on your inner … ( Mycobacterium tuberculosis ), your skin will react to the antigens by developing a firm red bump at the site within 2 or 3 days. The TB antigens used in a tuberculin skin test are called purified …
Medical tests
… reaction Human blood is typed by certain markers (called antigens ) on the surface of red blood cells . If you get a … type. That means the transfused blood must have the same antigens as your red blood cells. If you get a transfusion of blood with antigens different from yours (incompatible blood), your …
Medical tests
… a microscope. The tissue samples taken are looked at for cancer cells. For a transrectal prostate biopsy, an … When a blood test shows a high level of prostate-specific antigen (PSA) . After a digital rectal examination finds an … prostate or a lump. To monitor the growth of prostate cancer for someone on active surveillance. Why It Is Done …
Medical tests
… or throat. Results Chlamydia tests Normal: No chlamydia antigens or DNA are found. More tests for other sexually … needed to find the cause of symptoms. Abnormal: Chlamydia antigens or DNA are found. Medical … or throat. Results Chlamydia tests Normal: No chlamydia antigens or DNA are found. More tests for other sexually …
Medical tests
… the fluid from a cyst or abscess . Check for colorectal cancer and how it is responding to treatment. Women For … seminal vesicles and the prostate gland. Check for prostate cancer. Other tests, including digital rectal examination , prostate-specific antigen blood test, and prostate biopsy, may also be used. …
Medical tests
… caused by an infection (such as meningitis ), inflammation, cancer, or bleeding in the area around the brain or spinal … may be injected to treat leukemia and other types of cancer of the central nervous system. Put a dye in the CSF … ) or disease is present. Bacterial markers (bacterial antigens ) that show up are a sign of meningitis. Cultures …
