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
… 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
… 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
… 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 …
Medical tests
… of your large intestine (rectum and colon). Your doctor uses a thin, flexible tube called a colonoscope to look at … abnormal growths can be taken out. Colonoscopy can also be used as a screening test to check for cancer or precancerous … to stay home during your prep time since you will need to use the toilet often. The colon prep causes loose, frequent …
Medical tests
… of muscles when they're at rest and when they're being used. Nerve conduction studies measure how well and how fast … muscles react in certain ways. Nerve and muscle problems cause the muscles to react in ways that aren't normal. If you … the peripheral nervous system.) These studies are often used to help find nerve disorders, such as carpal tunnel …
Medical tests
… Fetal ultrasound is a test done during pregnancy that uses reflected sound waves. It produces a picture of the … such as the size and position of the fetus. It does not use X-rays or other types of radiation that may harm your … such as Down syndrome . The first-trimester screening test uses ultrasound to measure the thickness of the skin at the …
Medical tests
… Test Overview A pelvic ultrasound is a test that uses sound waves to make a picture of the organs and … ultrasound. Both of these types of ultrasound are used on the outside of the genital area to look for urinary … men and women, pelvic ultrasound may be done to: Find the cause of blood in the urine (hematuria). An ultrasound of the …
