329 results found
Medical tests
… There are two types of laryngoscopy, and each uses different equipment. Indirect laryngoscopy Indirect … reflect light to the back of your throat. Some doctors now use headgear with a bright light. Indirect laryngoscopy is not done as much now because flexible laryngoscopes let your doctor see better and …
Medical tests
… or abnormal positions of chromosome pieces, can cause problems with a person's growth, development, and body … be done to find out whether chromosomal problems may have caused a fetus to be stillborn. Find out the cause of a baby's birth defects or disability. Help determine …
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
… having a lipase test. 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 values A high lipase level may be caused by: Diseases of the pancreas , such as pancreatitis or …
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
… Test Overview A rapid sputum tests is used to diagnose tuberculosis (TB) when other tests show … is a test to find germs (such as TB bacteria) that can cause an infection. A sample of sputum is added to a substance … The test also can show if a lung infection is caused by some other kind of bacteria. A normal sputum culture …
Medical tests
… test also looks at other cells in the retina. It may be used to check for problems such as: Retina damage from drugs … vascular diseases. A full-field ERG may help find the cause of certain retina problems, such as vitamin A deficiency … response in the central part of the retina. It may be used to help check for: Diseases of the macula that aren't …
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 …
