329 results found
Medical tests
… Challenge Tests for Asthma On this page: Overview … effect exercise has on airflow. Most people with asthma have some decreased airflow during or after exercise. But … to a small amount of the material that may be causing your symptoms and then measures your lung function. Related …
Medical tests
… Hepatitis C Virus Tests On this page: Test Overview Why It Is Done How To … HCV. These proteins will be present in your blood if you have a hepatitis C infection now or have had one in the … C. Why It Is Done You may need these tests if: You have symptoms of hepatitis. You may have been exposed to the …
Medical tests
… Hepatitis B Virus Tests On this page: Test Overview Why It Is Done How To … Hepatitis B tests are blood tests that show whether you have an active hepatitis B infection. The tests can also … infection. Why It Is Done You may need testing if: You have symptoms of hepatitis. You may have been exposed to the …
Medical tests
… problems, weakness, or confusion. Find out whether you have kidney or adrenal gland problems. Help find the cause … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The … cause too much water to build up in the body, such as with syndrome of inappropriate antidiuretic hormone secretion …
Medical tests
… a specific amount of salt. Your doctor may ask you to have your blood drawn at a certain time. That's because … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The … can be caused by: A tumour in the adrenal glands ( Conn's syndrome ). Kidney disease. Liver disease. Heart failure. …
Medical tests
… up at night, this pattern may be reversed. If you do not have this daily change (diurnal rhythm) in cortisol levels, … adrenal glands. This condition is called Cushing's syndrome . The timing of the cortisol test is very important … 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
… Fasting blood sugar (FBS) measures blood glucose after you have not eaten for at least 8 hours. It is often the first … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The … include: Severe stress. Heart attack . Stroke . Cushing's syndrome . Medicines such as corticosteroids . Excess …
Medical tests
… as an aldosterone test. In some people, it may be normal to have high blood levels of both renin and aldosterone. If … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The … value can mean that some types of kidney disease or Conn's syndrome is present. Medical Tests: …
Medical tests
… Liver Function Tests On this page: Test Overview Why It Is Done How To … how well your liver is working, they cannot tell if you have hepatitis C . Tests that assess liver function Your … (liver enzyme studies) Your liver may be damaged if you have increased levels of: Alanine aminotransferase (ALT or …
Medical tests
… Lung Function Tests On this page: Test Overview Why It Is Done How To … multiple-breath washout test is done to check people who have cystic fibrosis . For this test, you breathe through a … relax and allow more air than usual to pass through. If you have dentures, wear them during the test. They help you form …