329 results found
Medical tests
… Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The normal range is just a guide. Your doctor will also look at your results based on your …
Medical tests
… of TB protein ( antigens ) under the top layer of skin on your inner forearm. If you have ever been exposed to the TB bacteria ( Mycobacterium tuberculosis ), your skin will react to the antigens by developing a firm … of PPD in a shot is put under the top layer of skin on your forearm. This is a good test for finding a TB …
Medical tests
… hemorrhoids. How To Prepare If you have hemorrhoids, tell your doctor before the examination begins. Your doctor will try not to bother your hemorrhoids. How It Is Done For a digital rectal …
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
… On this page: Overview Why It Is Done Results Overview Your doctor may take a sample, or biopsy, of abnormal … A microscopic examination on the biopsied tissue can help your doctor find out whether human papillomavirus (HPV) is present. The biopsy can be done in your doctor's office or clinic. You may have an injection of …
Medical tests
… the benefits of the test. Most of the tracer will leave your body through your urine or stool within a day. So be sure to flush the toilet right after you use it, and wash your hands well with soap and water. The amount of radiation …
Medical tests
… Results Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The normal range is just a guide. Your doctor will also look at your results based on your …
Medical tests
… exercise for several hours before the test. Do not clench your fist while having your blood drawn for a lactic acid test. These activities … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… of the way cortisol levels vary throughout a day. If your doctor thinks you might make too much cortisol, the test will probably be done late in the day. If your doctor thinks you may not be making enough, a test is … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… test. Do not use tobacco for 4 hours before the blood test. Your doctor may ask you to stop certain medicines, such as … Be sure to keep warm, because being cold can also increase your levels. Ask for a blanket if you feel cold. How It Is … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
