329 results found
Medical tests
… a body cavity. Confirm the proper position of tubes used by your doctor in your treatment, such as a tube to drain the stomach … catheters. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you …
Medical tests
… used depends on where the sample will be taken from and your overall health. Methods are: Bronchoscopic biopsy. A … It is usually done when the other methods of lung biopsy have not been successful or can't be used, or when a larger … identify the cause of lung problems. How To Prepare If you take aspirin or some other blood thinner, ask your …
Medical tests
… This is a measure of the percentage of sperm that have a normal shape. Sperm motility. This is a measure of … reversal of a vasectomy has been successful. How To Prepare You may be asked to avoid any sexual activity that results … 2 to 5 days before this test. This helps to make sure that your sperm count will be at its highest. It also makes 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 use other forms of tobacco. All forms of tobacco have nicotine. This includes pipe tobacco, cigars, …
Medical tests
… out whether a kidney stone or something else is blocking your urinary tract . During the test, your doctor will insert a thin, lighted tube ( cystoscope ) … injected through a vein in your arm. Why It Is Done You may have a retrograde pyelogram if: The intravenous pyelogram …
Medical tests
… has symptoms of preterm labour. If the test is negative, you probably aren't having preterm labour. But even if the test is positive, it doesn't mean for sure that you're having preterm labour. For this test, a sample of … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information …
Medical tests
… to come into contact more easily with the urethra. Men also have an antibacterial substance in their prostate gland that … find out whether the treatment has worked. How To Prepare You will need to collect a urine sample. You will need to drink enough fluids and avoid urinating so …
Medical tests
… from an artery. This test is used to find out how well your lungs are able to move oxygen into the blood and remove … carbon dioxide from the blood. As blood passes through your lungs, oxygen moves into the blood while carbon dioxide … Measure the acid-base level in the blood of people who have heart failure , kidney failure , uncontrolled diabetes …
Medical tests
… by ultrasound. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done This test is done …
Medical tests
… . How To Prepare For some MRI pictures of the belly, you may be asked to not eat or drink for several hours before the test. Tell your doctor if you get nervous in tight spaces. You may get … it can take as long as 2 hours. How It Feels You will not have pain from the magnetic field or radio waves used for …