329 results found
Medical tests
… a testicular scan, the tracer is injected into a vein in your arm. It travels through your blood to the testicles. … How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is … during the scan, especially if your testicles are sore. Before the scan, ask for a pillow or blanket to make …
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 … for you to drive or get home on your own. How It Is Done Before the test You will need to remove all metal objects …
Medical tests
… another test is done to confirm a syphilis infection. Your doctor may choose from many tests to screen for and … help your doctor look for a certain disease or condition before any symptoms appear. This increases the chance of … help your doctor look for a certain disease or condition before any symptoms appear. This increases the chance of …
Medical tests
… Overview Fertility awareness is a way to check the changes your body goes through during your menstrual cycle . (It's … month. This includes the day of ovulation and the 5 days before it. On average, ovulation occurs 12 to 16 days before … day should be that many days after your menstrual bleeding starts. For example, if your shortest menstrual cycle is 26 …
Medical tests
… Test Overview A breath alcohol test is an estimate of your blood alcohol concentration (BAC). The test measures … after you drink alcohol, your blood alcohol concentration starts to rise. Unlike food, alcohol is absorbed directly … Wait at least 15 minutes after having an alcoholic drink before testing your blood alcohol concentration (BAC). Trace …
Medical tests
… are working, the blood pH , and the amount of potassium you eat. The hormone levels in your body, severe vomiting, … your levels get low, it can take some time for your body to start holding on to potassium. A potassium level that is too … How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is …
Medical tests
… (EKG or ECG) is a test that checks for changes in your heart while you exercise. Sometimes EKG abnormalities … tracings are called waves. A resting EKG is always done before an exercise EKG test. Then results of the resting EKG … heartbeat is working. Help you make decisions about starting an exercise program if you have been inactive for a …
Medical tests
… for an amylase test: Do not drink alcohol for 24 hours before the test. For a blood test for amylase, do not eat or … urine sample. A 24-hour urine sample is all of the urine you produce over a 24-hour period. You start collecting your urine in the morning. When you first …
Medical tests
… Test Overview A contraction stress test checks to see if your baby will stay healthy during contractions when you are … You may be asked to not eat or drink for 4 to 8 hours before the test. Empty your bladder before the test. If you … hormone oxytocin in a vein ( intravenously, or IV ). It is started at a low dose. The dose is increased until you have …
Medical tests
… a dye called contrast material is injected into a vein in your arm. A series of X-ray pictures is then taken at timed … You may need to stop eating and drinking for 8 to 12 hours before the IVP. You also may need to take a laxative the … the test. You will be asked to urinate just before the test starts. During the test You will lie on your back on an …
