329 results found
Medical tests
… infection. MRI may also be used to tell if a bone is broken when X-ray results are not clear. MRI is done more commonly … . How To Prepare For some MRI pictures of the belly, you may be asked to not eat or drink for several hours … it can take as long as 2 hours. How It Feels You will not have pain from the magnetic field or radio waves used for …
Medical tests
… Test Overview Body fat testing checks how much body fat you have. It may be done to find out if you have too much or too … fat at one or more places on your body. It is most accurate when a well-trained person measures fat thickness from …
Medical tests
… may be done. These tests look for possible problems with your baby. The tests may be called first-trimester … 1 out of a number less than 200 (such as 1 out of 100), you have a positive result. This means that your baby has a … screening may show that a baby doesn't have a birth defect when he or she does have it. This is called a false-negative …
Medical tests
… nicotine—or the chemicals it produces, such as cotinine—in your blood or urine. It's usually done by testing a sample … smoke or use other forms of tobacco. All forms of tobacco have nicotine. This includes pipe tobacco, cigars, … show that you are using quit-smoking aids and not tobacco. When you stop using nicotine, it can take more than 2 weeks …
Medical tests
… a protein. Fetal fibronectin testing is sometimes done when someone has symptoms of preterm labour. If the test is negative, you probably aren't having preterm labour. But even if the … a protein. Fetal fibronectin testing is sometimes done when someone has symptoms of preterm labour. If the test is …
Medical tests
… a biopsy needle for a testicular biopsy. This may be done when testing for infertility . Check an injury to the … genital area. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells … illness, the slight pressure from the transducer may be somewhat painful. You will not hear or feel the sound waves. …
Medical tests
… Overview A medicine blood level test measures how much of your medicine is in your blood. Your doctor checks it to … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… sclerosis (MS) , the doctor will collect information about your symptoms. The kinds of symptoms, as well as how and when they occur, are important in evaluating whether you might have MS. Even symptoms that you might have had several years …
Medical tests
… called plaque in a blood vessel. During a CT angiogram, you lie on a table that passes through a doughnut-shaped … blockage. You will need a separate procedure. But if you have a standard angiogram and the doctor finds a major … or blockage in the coronary arteries. This can occur when there is a buildup of fat ( cholesterol ) and calcium …
Medical tests
… very accurate. If a gonorrhea infection is suspected, don't have sex until the test results have come back. If the test shows that you have gonorrhea, don't have sex for at least 3 days after … may be causing your symptoms. These may include pain when you urinate, anal itching or bleeding, vaginal bleeding …
