COVID-19 diagnostic testing - Mayo Clinic
2024年7月18日 · If you take an antigen test and are negative for COVID-19, take another antigen test after 48 hours to check the results. Tests for more than one virus An RT-PCR test called the Flu SC2 Multiplex Assay can show any of three viruses at the same time: the COVID-19 virus, influenza A and influenza B.
How do COVID-19 antibody tests differ from diagnostic tests?
2024年5月14日 · Antigen tests also may be called rapid COVID-19 tests or at-home COVID-19 tests. These tests are useful if you need quick results. Antigen tests are accurate. But they're less accurate than PCR tests. If you have symptoms and an antigen test is negative for COVID-19, take another antigen test after 48 hours to get the best result.
Helicobacter pylori (H. pylori) infection - Diagnosis & treatment ...
2022年5月5日 · Stool antigen test. This is the most common stool test to detect H. pylori. The test looks for proteins (antigens) associated with H. pylori infection in the stool. Stool PCR test. A lab test called a stool polymerase chain reaction (PCR) test can detect H. pylori infection in stool.
CA 125 test - Mayo Clinic
2022年3月31日 · A CA 125 test measures the amount of the protein CA 125 (cancer antigen 125) in the blood. This test may be used to monitor certain cancers during and after treatment. In some situations, the test may be used to look for early signs of ovarian cancer in people with a very high risk of the disease.
PSA test - Mayo Clinic
2023年4月27日 · The test measures the amount of prostate-specific antigen (PSA) in your blood. PSA is a protein produced by both cancerous and noncancerous tissue in the prostate, a small gland that sits below the bladder in males.
Prostate cancer screening: Should you get screened?
2024年12月17日 · Prostate cancer screening is testing that looks for prostate cancer in someone who doesn't have any symptoms. The goal is to find prostate cancer when it's small and most likely to be cured. Prostate cancer is a growth of cells that starts in the prostate. The prostate is a small gland that helps make semen. It's found just below the bladder.
COVID-19 antibody testing - Mayo Clinic
2022年12月20日 · Your doctor or testing center will tell you where to go for testing and how the test will be done. Ask if you, and anyone who comes with you, need to wear a face mask to and from the testing center. What you can expect. To do a COVID-19 antibody test, typically a member of your health care team takes a blood sample. It's taken by a finger prick ...
ENA test - Mayo Clinic
2023年6月23日 · The extractable nuclear antigen test, known as an ENA test, is a blood test that checks for proteins in your blood, also known as antibodies. The ENA test is used to help diagnose certain autoimmune diseases. ENA stands for extractable nuclear antigen because these proteins can be taken out (extracted) from the cells in the body.
Cancer blood tests: Lab tests used in cancer diagnosis
2024年12月5日 · Examples of tumor markers include prostate-specific antigen (PSA) for prostate cancer and cancer antigen 125 (CA 125) for ovarian cancer. Other examples include carcinoembryonic antigen (CEA) for colon cancer and alpha-fetoprotein for testicular cancer. Tests to look for cancer cells. Circulating tumor cell tests detect cancer cells in your blood.
Trichomoniasis - Diagnosis & treatment - Mayo Clinic
2022年5月17日 · If the test doesn't show the parasite, but your provider thinks you may have trichomoniasis, other tests may be done. Your provider may order tests done on a sample of vaginal fluid, a penis uretheral swab or sometimes urine. Tests include a rapid antigen test and nucleic acid amplification test.