329 results found
Medical tests
… Test Overview A renin assay blood test is done to find the cause of high blood pressure (hypertension) . Renin is an … to 4 weeks before the test, you may be asked to stop taking medicines that can affect the test, such as diuretics , estrogens , and …
Medical tests
… birth defects in a fetus . It's done to find birth defects caused by an abnormal number of chromosomes . It also can reveal the sex and blood type of the fetus. This is a blood test for the mother. The test can be done as early as 10 weeks in the pregnancy. If this …
Medical tests
… test as "peak urine flow rate." Many treatments for BPH can increase the peak urine flow rate for men. A urine flow … studies may help distinguish between urinary symptoms caused by blockage and those caused by a problem affecting … test as "peak urine flow rate." Many treatments for BPH can increase the peak urine flow rate for men. A urine flow …
Medical tests
… light. Indirect laryngoscopy is not done as much now because flexible laryngoscopes let your doctor see better and … Direct rigid laryngoscopy may also be used to help find cancer of the voice box (larynx). How To Prepare Indirect … to drive or get home on your own. Tell your doctor ALL the medicines and natural health products you take. Some may …
Medical tests
… of the head. In many cases, MRI gives information that can't be seen on an X-ray , ultrasound , or computed tomography (CT) scan . For an MRI of the head, you lie with your head inside … An MRI of the head may be used to look for the cause of headaches. Why It Is Done Magnetic resonance …
Medical tests
… Cancer Antigen 125 (CA-125) Test On this page: Test Overview … It Feels Risks Results Test Overview Cancer antigen 125 (CA-125) is a protein found on the … the CA-125 test as a screening test for ovarian cancer because it often has false-positive results that can lead to …
Medical tests
… different information about structures in the body than can be seen with an X-ray , ultrasound , or computed tomography (CT) scan . MRI also may show problems that cannot be seen with … the brain, nerve injury, and other problems, such as damage caused by a stroke . MRI can also find problems of the eyes …
Medical tests
… test is used to check for glaucoma , an eye disease that can cause blindness by damaging the nerve in the back of the eye … develop glaucoma unless the pressure is lowered with medicines. People who have an ongoing IOP higher than 21 mm …
Medical tests
… . Sickle cell disease is an inherited blood disease that causes red blood cells to be deformed ( sickle-shaped ). The … blood cells. This causes anemia . Also, sickled cells can get trapped in blood vessels and reduce or block blood flow. This can damage organs, muscles, and bones and may lead to …
Medical tests
… Information Test Overview Neuropsychological testing can help your doctor find out how a problem with your brain … overall picture of how well your brain works. Your doctor can use the results to decide the best treatment or … been exposed to poisons, chemicals, or pollution that can cause brain damage. You have attention deficit hyperactivity …
