329 results found
Medical tests
… substance called a tracer is injected into a vein in your arm. The tracer travels through your bloodstream and … A small amount of the tracer is injected. It takes about 2 to 5 hours for the tracer to bind to your bone so … the pictures. How long the test takes A bone scan takes about 1 hour. How It Feels You may feel nothing at all from …
Medical tests
… Overview A medicine blood level test measures how much of your medicine is in your blood. Your doctor checks it to make sure that you are taking a …
Medical tests
… 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
… nicotine—or the chemicals it produces, such as cotinine—in your blood or urine. It's usually done by testing a sample of your blood or urine. The test is used to see if you smoke or … smoke but are using a quit-smoking aid like gum or a patch, your test result may be positive. But you may be able to get …
Medical tests
… the tracer is put into a vein (intravenous, or IV ) in your arm. Sometimes it's taken by mouth or inhaled through … with those from a CT scan to get more detailed information about where the tracer is located. A SPECT scan is often … to take less than your normal dose. Talk with your doctor about how much medicine you should take. Have had other …
Medical tests
… such as cimetidine, letrozole, and levodopa, can change your test results. You may be asked to stop taking medicines … High values in children may mean that puberty is about to start. Low values Low FSH values may mean: A woman … High values in children may mean that puberty is about to start. Low values Low FSH values may mean: A woman …
Medical tests
… you produce over a 24-hour period. You start collecting your urine in the morning. When you first get up, empty your … will usually provide you with a large container that holds about 4 L (1 gal) . The container has a small amount of … will usually provide you with a large container that holds about 4 L (1 gal) . The container has a small amount of …
Medical tests
… women for gestational diabetes. How To Prepare Tell your doctor about all the prescription and non-prescription medicines … for gestational diabetes. How To Prepare Tell your doctor about all the prescription and non-prescription medicines …
Medical tests
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … test. You may be asked to stop taking some medicines for about 2 weeks before the test. These include hormones (such … test. You may be asked to stop taking some medicines for about 2 weeks before the test. These include hormones (such …
Medical tests
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … the results of this test. Be sure to tell your doctor about all the non-prescription and prescription medicines … the results of this test. Be sure to tell your doctor about all the non-prescription and prescription medicines …
