257 results found
Medical tests
… quadruple screening test. Generally done between 15 and 22 weeks, this test checks the levels of four substances in a … quadruple screening test. Generally done between 15 and 22 weeks, this test checks the levels of four substances in a …
Medical tests
… test for the mother. The test can be done as early as 10 weeks in the pregnancy. If this screening test is positive, … test for the mother. The test can be done as early as 10 weeks in the pregnancy. If this screening test is positive, …
Medical tests
… genetic material ( RNA ) of HIV in the blood. Viral load is first measured when you are diagnosed with HIV infection. This first measurement serves as the baseline. Future viral load … genetic material ( RNA ) of HIV in the blood. Viral load is first measured when you are diagnosed with HIV infection. …
Medical tests
… the virus's genetic material. Hepatitis antibodies can take weeks or months to develop. So an infected person may test … the virus's genetic material. Hepatitis antibodies can take weeks or months to develop. So an infected person may test …
Medical tests
Medical tests
… an exercise challenge test, spirometry is done before and after you exercise on a treadmill or an exercise bicycle. … people with asthma have some decreased airflow during or after exercise. But most people who have asthma do not need … and how quickly you can breathe air in and out before and after taking medicine. Spirometry may be done before and …
Medical tests
… are receiving chemotherapy or nutrition supplements for weeks or months at a time. For these people, blood for a … are receiving chemotherapy or nutrition supplements for weeks or months at a time. For these people, blood for a …
Medical tests
… of a karyotype test are usually available within 1 to 2 weeks. Karyotype Normal: There are 46 chromosomes that can … of a karyotype test are usually available within 1 to 2 weeks. Karyotype Normal: There are 46 chromosomes that can …
Medical tests
… can be seen more clearly. Pictures may be taken before and after the dye is used. To get more information from the test, a CT scan is often done after the X-rays, while the dye is still in your body. Why … your lower back. A numbing medicine is put into your skin. After the area is numb, a thin needle is put into the spinal …
Medical tests
… that contain estrogen or progesterone or both for up to 4 weeks before having a follicle-stimulating hormone (FSH) … that contain estrogen or progesterone or both for up to 4 weeks before having a follicle-stimulating hormone (FSH) …
