329 results found
Medical tests
… Overview A viral test is done to find infection-causing viruses. Viruses grow only in living cells. Viruses cause … tap). A biopsy sample may be taken using a needle or other tool. How It Feels The amount of discomfort or pain … infection. This is called a false-negative test result . Another blood sample may need to be taken later to check again …
Medical tests
… your small intestine, where nutrients are absorbed for use by your body. The food then goes into your large … and absorbed by your intestines combines with bacteria and other waste products and becomes stool (feces). Stool is … and absorbed by your intestines combines with bacteria and other waste products and becomes stool (feces). Stool is …
Medical tests
… made in the pituitary gland in response to the release of another hormone, called corticotropin-releasing hormone (CRH), … cortisol (or low ACTH and high cortisol levels) could be caused by a problem with the adrenal glands. Low levels of … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may …
Medical tests
… Results Test Overview Retinal imaging uses special cameras and scanners to make magnified images, … looks healthy. Abnormal: There is a mole, cyst, or some other problem on the back of the eye. There are blocked or … looks healthy. Abnormal: There is a mole, cyst, or some other problem on the back of the eye. There are blocked or …
Medical tests
… body. No instruments are inserted in the body. Doctors can use MRC to find gallstones before surgery to remove the … (laparoscopic cholecystectomy). But the test is most useful for diagnosing complications of gallstones. These … abscesses . The disadvantage of MRC is that doctors can't use it to remove gallstones. With ERCP (endoscopic …
Medical tests
… Risks Results Test Overview Doctors use the KOH preparation test to find out if you have a … abbreviation for potassium hydroxide, the solution that is used in the test. Why It Is Done Your doctor may do a KOH … scraping the infected area. Sometimes the doctor will use a swab. The sample is then placed on a slide with …
Medical tests
… of urine left in the bladder after urination. The test is used to help evaluate: Incontinence (accidental release of … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of …
Medical tests
… who are trying to become more fit and lose weight sometimes use the test to check for changes in their body fat levels. … include: Skinfold thickness. A tool called a caliper is used to measure the thickness of fat at one or more places … your body's electrical resistance. This resistance is used along with your height and weight to calculate your …
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 …
Medical tests
… of a radioactive tracer into your blood. Then your doctor uses a special camera to see how well your heart is pumping … a thin, flexible catheter into your heart. Your doctor uses the catheter to inject dye into your heart. This dye … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means …
