329 results found
Medical tests
… Results Test Overview A thyroid scan uses a radioactive tracer and a special camera to measure … gland from three different angles. The radioactive tracer used in this test is either iodine or technetium. A … you take the radioactive tracer depends on which tracer is used. Iodine can be taken as a capsule or a fluid 4 to 24 …
Medical tests
… Risks Results Test Overview A CT scan uses X-rays to make detailed pictures of the spine and … and organs easier to see on the CT pictures. The dye may be used to check for blood flow and look for tumours , areas of … disc of the spine. Check to see if osteoporosis has caused compression fractures . Check on problems of the spine …
Medical tests
… percutaneous umbilical cord blood sampling. FBS is usually used when a Doppler ultrasound and/or a series of … system can attack the fetus's red blood cells. FBS is used to look at a fetus's red blood cell count and oxygen … with an injection of local anesthetic . Ultrasound is used to guide a needle through your belly into an umbilical …
Medical tests
… doctor can also see other structures in the eye. The doctor uses a magnifying tool called an ophthalmoscope and a light … types of ophthalmoscopy. Direct ophthalmoscopy. Your doctor uses a tool that is about the size of a small flashlight. It … up to about 15 times. Indirect ophthalmoscopy. Your doctor uses a small hand-held lens and either a slit lamp …
Medical tests
… doctor to see all the structures inside the nose and the sinuses. Before inserting the endoscope , the passages inside … Why It Is Done An endoscopic sinus examination may be used if: The diagnosis of sinusitis is still in doubt after … is being considered. An endoscopic sinus examination may be used to evaluate the structures inside the nose where the …
Medical tests
… of a radioactive tracer into your blood. Then your doctor uses a special camera to see how well your heart is pumping … a thin, flexible catheter into your heart. Your doctor uses the catheter to inject dye into your heart. This dye … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means …
Medical tests
… from the uterus, such as fibroids or polyps. It may also be used to diagnose and treat abnormal bleeding or fertility … Why It Is Done A hysteroscopy may be done to: Find the cause of severe cramping or abnormal bleeding. Your doctor can … size of the uterus or if scar tissue in the uterus is the cause of infertility. Look at the uterine openings to the …
Medical tests
… Test Overview A breast ultrasound uses sound waves to make a picture of the tissues inside the … hard to study with a mammogram . Breast ultrasound does not use X-rays or other potentially harmful types of radiation. A breast ultrasound is used to see whether a breast lump is filled with fluid (a …
Medical tests
… under a microscope. Several different methods may be used to obtain a skin sample, depending on the size and … be taken is cleaned with an alcohol wipe. A marker may be used to outline the edges of the skin sample. For some biopsies, a surgical drape is used to cover the area around the biopsy and the doctor will …
Medical tests
… Results Test Overview A testicular scan uses a special camera to take pictures of the testicles … ). A scan may be done in an emergency to find out the cause of sudden, painful swelling of a testicle. That problem can be caused by a twisted cord in the testicle. This condition is …
