329 results found
Medical tests
… D test measures the amount of vitamin D in the blood. Your body needs vitamin D to absorb calcium . Calcium keeps your bones and muscles healthy and strong. If your muscles … chance of getting a rare disease called rickets . Your body uses sunshine to make its own vitamin D. Vitamin D is found …
Medical tests
… for several days. Why It Is Done The myoglobin test is used to look for disease or injury of muscle tissue. The … rhabdomyolysis . How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Blood test A health …
Medical tests
… of cells from the surface of the cervix is collected by your doctor. The sample is then spread on a slide (Pap … cancer . The recommended Pap test schedule is based on your age and on things that increase your risk. Talk to your … how often to have this test. Cervical cancer is often caused by a high-risk type of the human papillomavirus (HPV) . …
Medical tests
… means a recent infection, a past infection, or that you have been vaccinated against the disease. Rubella (also … called German measles or 3-day measles) usually does not cause long-term problems. But someone infected with the … rubella. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… who have one autoimmune disease may get another one. Tell your doctor if you have any new or worse symptoms. These tests are not … tests may be done after thyroid hormone tests to find the cause of high or low levels of thyroid hormones. High levels …
Medical tests
… assay (ELISA). This test is usually the first one used to detect infection with HIV. If antibodies to HIV are … the point of care (POC) to screen for HIV antibodies. If you have a positive test result, contact your sex partners to inform them. They may want to be …
Medical tests
… challenge and inhalation challenge tests are sometimes used to diagnose asthma and workplace asthma (occupational … challenge test, spirometry is done before and after you exercise on a treadmill or an exercise bicycle. Spirometry measures how much and how quickly you can breathe air in and out. An exercise challenge test …
Medical tests
… as the prostate enlarges with age. PSA may increase because of inflammation of the prostate ( prostatitis ) or … (PSA) test is done to: Screen for prostate cancer. If your PSA level is higher than expected, your doctor may suggest other tests, including a prostate …
Medical tests
… a lower gastrointestinal (GI) examination. The test is used to help find diseases and other problems that affect … loss. How To Prepare For 1 to 3 days before the test, you will drink water, fruit juices, plain coffee or tea, and … On the day before the test: Drink plenty of fluids. If you have kidney, heart, or liver disease and have to limit …
Medical tests
… may be done. These tests look for possible problems with your baby. The tests may be called first-trimester … combined screening. The screening tests show the chance of your baby having certain birth defects such as Down syndrome … by the placenta . In some areas, other blood tests may be used. Nuchal translucency test. This test uses ultrasound to …
