329 results found
Medical tests
… prolactin, which is made by the pituitary gland , in your blood. Pregnant women have high levels of prolactin, … times of physical or emotional stress. Many medicines can cause prolactin levels to go up. Tumours of the pituitary … be asked to rest quietly for up to 30 minutes before having your blood drawn. Stimulation of the nipples can raise …
Medical tests
… as you want up to 1 hour before the test. Be sure to tell your doctor about all the non-prescription and prescription … blood sample is drawn. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. … the digestive hormone secretin is injected into a vein in your arm. More blood samples are taken at the time of the …
Medical tests
… Information Test Overview Screening tests help your doctor look for a problem before you have symptoms. … a cure is more likely and when cancer is more treatable. If your doctor recommends lung cancer screening, you'll have a … through your chest to make detailed pictures. A low-dose CT uses much less radiation than a regular-dose CT scan. A …
Medical tests
… Thick and Thin Blood Smears for Malaria—Overview Doctors use thick and thin blood smears to determine whether you … show: Normal No parasites are present in red blood cells. Your doctor will repeat the test every 8 hours for 1 or 2 … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information …
Medical tests
… of thyroid tissue can be taken by: Fine-needle biopsy. Your doctor puts a thin needle through the skin and into the thyroid gland. Many thyroid specialists like to use a needle biopsy method rather than surgery. Core needle biopsy. Your doctor inserts a needle with a special tip and removes …
Medical tests
… from the intestinal tract into the bloodstream. Find the cause of a child's failure to gain weight, especially when the … with the results of a D-xylose test. For this reason, your doctor may instruct you to temporarily stop these … drink a D-xylose solution. To begin the test, a sample of your first urine of the day and a sample of your blood are …
Medical tests
… made by the body to fight the virus. They will be in your blood if you have a hepatitis A infection now or have … 8 to 12 weeks after you are first infected. They stay in your blood and protect you from hepatitis A permanently. Why … doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
Medical tests
… doctor to see all the structures inside the nose and the sinuses. Before inserting the endoscope , the passages inside … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the …
Medical tests
… that indicate mononucleosis (mono), which is usually caused by the Epstein-Barr virus (EBV) . The antibodies are … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done The rapid mono test is done on a small sample of blood taken from your fingertip or from a vein. The Epstein-Barr antibody …
Medical tests
… in 10 to 15 minutes. Why It Is Done It may be done so your doctor can find out right away whether you have strep … have this test. How It Is Done You will be asked to tilt your head back and open your mouth as wide as possible. Your … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means …