329 results found
Medical tests
… Risks Results Test Overview A myelogram uses X-rays and a special dye called contrast material to … as a herniated disc , or narrowing of the spinal canal caused by arthritis. The spinal canal holds the spinal cord, … clearly. Pictures may be taken before and after the dye is used. To get more information from the test, a CT scan is …
Medical tests
… This fluid buildup is called ascites . Ascites may be caused by infection, inflammation, an injury, or other … belly. The fluid is sent to a lab and studied to find the cause of the fluid buildup. Paracentesis also may be done to … Why It Is Done Paracentesis may be done to: Find the cause of fluid buildup in the belly. Diagnose an infection in …
Medical tests
… or too low can be serious. Abnormal potassium levels may cause symptoms such as muscle cramps or weakness, nausea, diarrhea, frequent urination, dehydration , low blood … cells to be destroyed (cell lysis). Cell lysis syndrome causes very high levels of some electrolytes, including …
Medical tests
… flows out of the bladder. This test, also called a VCUG, uses contrast fluid and X-rays so the doctor can see how the … is empty. Why It Is Done This test is done to: Find the cause of urinary problems. These include repeated urinary … doctor if you are allergic to iodine. Iodine is usually used in the contrast material that the doctor will put in …
Medical tests
… normally low. Testosterone increases during puberty. This causes boys to develop a deeper voice, get bigger muscles, … working in a man with advanced prostate cancer . Find the cause of osteoporosis in a man. How To Prepare In general, … doctor may want you to do a morning blood test. That's because testosterone levels are highest between 7 a.m. and 9 …
Medical tests
… is made by the placenta during pregnancy. The test can be used to see if a woman is pregnant. HCG can be found in the … office, clinic, or lab. Blood test A health professional uses a needle to take a blood sample, usually from the arm. … the site. Urine test Collecting a urine sample does not cause problems. Results Each lab has a different range for …
Medical tests
… to stop smoking for 2 hours before the test. This is because smoking affects your baby's heart rate and movements. … contractions. If there isn't much movement, it can be because the baby is asleep. If this happens during your test, … right away. How It Feels This test is painless. It uses only monitor sensors, which are placed on your belly. …
Medical tests
… . How It Is Done Blood test A health professional uses a needle to take a blood sample, usually from the arm. … sting or pinch. Urine test This test usually doesn't cause any pain or discomfort. Risks Blood test There is very … normal. Your lab report should show the range that your lab uses for each test. The normal range is just a guide. Your …
Medical tests
… blood sample is drawn. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. … normal. Your lab report should show the range that your lab uses for each test. The normal range is just a guide. Your … be normal for you. High levels High gastrin levels may be caused by: Zollinger-Ellison syndrome , a rare disease that …
Medical tests
… times of physical or emotional stress. Many medicines can cause prolactin levels to go up. Tumours of the pituitary gland can sometimes cause prolactin to be made. A damaged pituitary gland may not … Why It Is Done A test for prolactin is done: To find the cause of abnormal nipple discharge, or if a woman is not …
