263 results found
Medical tests
… Why are toxicology tests done? This test may be done to: Find out if a drug overdose may be causing life-threatening … tox screens are qualitative tests. This means they only find out if drugs are present in the body, not the exact … quantity. Follow-up quantitative testing is often done to find the level of a drug in the body and to confirm the …
Medical tests
… ( abscess ). A scan may be done in an emergency to find out the cause of sudden, painful swelling of a … and tumours. Why It Is Done A testicular scan is done to find out the cause of a painful, swollen testicle. The scan … Otherwise, a testicular scan is usually painless. You may find it hard to stay still during the scan, especially if …
Medical tests
… test is iodine. A radioactive iodine uptake test is done to find problems with how the thyroid gland works, such as … Is Done A radioactive iodine uptake (RAIU) test is done to: Find the cause of an overactive thyroid gland … you can do your regular activities. How It Feels You may find it uncomfortable to lie still with your head tipped …
Medical tests
… is located or what is causing it. Other tests are needed to find the cause and location of the inflammation. Why It Is … This test is used to: Check for infection after surgery. Find out if you have an increased chance of having a sudden … is located or what is causing it. Other tests are needed to find the cause and location of the inflammation. Why It Is …
Medical tests
… such as trouble breathing or swelling in your legs. Find out how severe heart failure is. How To Prepare You do … also look at other tests and your physical examination to find out for sure if you have heart failure. Related … such as trouble breathing or swelling in your legs. Find out how severe heart failure is. How To Prepare You do …
Medical tests
… acuity (sharpness) tests. These tests help your doctor find out if you have a problem that affects how well you can … test. This test shows your level of refractive error and finds out the right prescription for glasses or contact … an eye problem, such as diabetic retinopathy , or to find out if a treatment is working. To find out if you need …
Medical tests
… Testing a biopsy sample is the only reliable way to find out if cancer cells are present. How To Prepare If you … head. (It depends on which position makes it easiest to find the lump.) Or you may lie on your stomach on a special … A mammogram, an ultrasound, or an MRI may be used to find the exact site for the biopsy. Fine needle breast …
Medical tests
… conditions. It can also tell the sex of a fetus and help find certain neural tube defects. Amniotic fluid has cells … conditions, such as Down syndrome . But this test can't find many common birth defects, such as cleft lip , cleft … Amniocentesis may be done during your second trimester to find certain genetic conditions as well as neural tube …
Medical tests
… before you have symptoms. Lung cancer screening is a way to find some lung cancers early, when a cure is more likely and … tests to make sure you don't have cancer. Some screenings find lung cancers that wouldn't have needed treatment if … that they're not harmful. This is called an incidental finding. Results Your doctor will likely get back to you …
Medical tests
… a boy younger than age 10 to have early signs of puberty. Find out why a woman is developing male features, such as … facial and body hair (hirsutism) and a deep voice. Find out why a woman is having irregular menstrual periods. … are working in a man with advanced prostate cancer . Find the cause of osteoporosis in a man. How To Prepare In …
