329 results found
Medical tests
… to check for conditions that cause the body to make certain types of antibodies called cold agglutinins. Cold … lymphoma or some infections, such as mycoplasma pneumonia , can cause the level of cold agglutinins to rise. … blood test. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… in the blood and fluid levels in the body, which affects your blood pressure. A renin test is often done at the same … the test, you may be asked to stop taking medicines that can affect the test, such as diuretics , estrogens , and … is present. Low values A low renin value can mean that some types of kidney disease or Conn's syndrome is present. …
Medical tests
… caused by an abnormal number of chromosomes . It also can reveal the sex and blood type of the fetus. This is a blood test for the mother. The … this screening test is positive, it means there is a chance your baby has a birth defect. In that case, your doctor may …
Medical tests
… Overview A transesophageal echocardiogram is a test to help your doctor look at the inside of your heart. A small device … chambers. Your doctor may do this test to look for certain types of heart disease. Or it may be done to see how disease … in the aorta (aortic dissection). How to Prepare Procedures can be stressful. This information will help you understand …
Medical tests
… body makes against HCV. These proteins will be present in your blood if you have a hepatitis C infection now or have … to get this information. It's important to identify the type of hepatitis virus causing the infection, to prevent … if it occurred in the past. If HCV RNA is found, genotyping can find out which strain of HCV is causing the infection. …
Medical tests
… Test Overview Bronchoscopy is a procedure that allows your doctor to look at your airway through a thin viewing … such as an object or growth in the airway. There are two types of bronchoscopy. Flexible bronchoscopy. It uses a … clear the airway of objects (such as a piece of food) that can't be removed with a flexible bronchoscope. Special …
Medical tests
… It measures the density of minerals (such as calcium ) in your bones. This information helps your doctor estimate the … bone loss, low bone density (sometimes called osteopenia) can lead to osteoporosis . So the thicker your bones are, … dual-energy X-ray absorptiometry (P-DXA). P-DXA is a type of DXA test. It measures the density of bones in the …
Medical tests
… ), and it helps the body manage stress. Cortisol levels can be affected by many conditions, such as physical or … in the evening and during the early phase of sleep. But if you sleep during the day and are up at night, this pattern … by overactive adrenal glands, an adrenal gland tumour, some types of cancer, or long-term use of corticosteroids . A …
Medical tests
… is a problem that happens when gluten in food causes your immune system to attack the lining of your small … bruise may form at the site. Results There are several types of celiac disease antibodies that can be measured. The most common are: Tissue …
Medical tests
… with human immunodeficiency virus (HIV) . CD4+ cells are a type of white blood cell. White blood cells are important in … are done to: Monitor how the HIV infection is affecting your immune system. Help diagnose acquired immune deficiency … syndrome (AIDS) . If you don't get treatment, HIV infection can progress to AIDS. Evaluate your risk for other …
