329 results found
Medical tests
… Renin Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … Overview A renin assay blood test is done to find the cause of high blood pressure (hypertension) . Renin is an … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… Testicular Biopsy On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … Is Done A testicular biopsy may be done to help find the cause of male infertility. But this is rare. It may also be … problems during your test. Your doctor will tell you if you should stop taking any of them before the test and how soon …
Medical tests
… Skin Biopsy On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … under a microscope. Several different methods may be used to obtain a skin sample, depending on the size and … aspirin or some other blood thinner, ask your doctor if you should stop taking it before your procedure. Make sure that …
Medical tests
… Chorionic Villus Sampling (CVS) On this page: Test Overview Health Tools Why It Is Done How To Prepare How It … a long, thin needle through the belly. Ultrasound is used to guide the catheter or needle to the right spot. CVS … that are important to many health problems. Pregnancy: Should I Have CVS (Chorionic Villus Sampling)? Why It Is …
Medical tests
… red bump at the site within 2 or 3 days. The TB antigens used in a tuberculin skin test are called purified protein … such as an ongoing cough, night sweats, and unexplained weight loss. People who have had an abnormal chest X-ray. … human immunodeficiency virus (HIV) . A tuberculin skin test should not be done for people: With a known TB infection. …
Medical tests
… Spinal Tap (Lumbar Puncture) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … procedure. Why It Is Done A spinal tap is done to: Find a cause for symptoms possibly caused by an infection (such as … problems during your test. Your doctor will tell you if you should stop taking any of them before the test and how soon …
Medical tests
… Cold Agglutinins Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … blood test is done to check for conditions that cause the body to make certain types of antibodies called cold … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… Sweat Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … in their sweat. During the sweat test , medicine that causes a person to sweat is applied to the skin (usually on … little risk of complications from this test. But the test should always be done on an arm or leg (not the chest) to …
Medical tests
… Pulse Measurement On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … or rhythm, a weak pulse, or a hard blood vessel may be caused by heart disease or another problem. As your heart … pulse while you exercise. How It Feels Checking your pulse should not cause pain. Risks Checking your pulse should not …
Medical tests
… Phosphate in Urine Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … less is found in the urine. Kidney problems can cause high or low levels of phosphate in the urine. High … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
