328 results found
Medical tests
… of CSF are collected. The samples are studied for colour, blood cell counts, protein, glucose, and other substances. … fungi grow in the culture, an infection may be present. The pressure of the CSF also is measured during the procedure. … the space surrounding the spinal cord. If the pressure is high, it may be causing certain symptoms. A spinal tap may …
Medical tests
… the level of the most important estrogen hormones in a blood or urine sample. It measures estradiol, estriol, and … growing in the testicles. Monitor treatment with fertility medicines. Learn more Pregnancy: Should I Have Screening … results as they relate to your symptoms and past health. High values High values may be caused by: Ovarian …
Medical tests
… Test Overview Hemochromatosis gene (HFE) testing is a blood test used to check for hereditary hemochromatosis, an … this disease. This test might be done if you have high iron levels in your blood. This test helps to find out … or pinch. If you get a cheek test, you will feel gentle pressure on the inside of your cheek from the swab. Risks …
Medical tests
… to: Check for coronary artery disease, which can reduce blood flow to the heart muscle during stress. Look at the … to use numbers to say how hard you are exercising. The higher the number, the harder you think you are exercising. … You might have symptoms of angina, such as chest pain or pressure. If medicine to stress your heart is used, you may …
Medical tests
… the level of adrenocorticotropic hormone (ACTH) in the blood to check for problems with the pituitary gland and … cortisol levels change throughout the day. ACTH is normally highest in the early morning (between 6 a.m. and 8 a.m.) and … , that could change the test results, you will need to stop taking it for up to 48 hours before the test. Your doctor …
Medical tests
… A C-peptide test measures the level of this peptide in the blood. It is generally found in amounts equal to insulin . … A person with type 2 diabetes can have a normal or high level of C-peptide. A C-peptide test can also help find … have C-peptide, a person with a low blood sugar level from taking too much insulin will have a low C-peptide level but …
Medical tests
… test measures the level of D-xylose, a type of sugar, in a blood or urine sample. This test is done to help diagnose … For 24 hours before a D-xylose test, do not eat foods high in pentose, a sugar similar to D-xylose. These foods include fruits, jams, jellies, and pastries. Medicines such as aspirin and indomethacin can interfere …
Medical tests
… overnight dexamethasone suppression test checks to see how taking a steroid medicine called dexamethasone changes the levels of the hormone cortisol in the blood. This test checks for a condition in which large … a dose of dexamethasone, cortisol levels often stay very high in people who have Cushing's syndrome. Sometimes other …
Medical tests
… Test Overview A rheumatoid factor (RF) blood test measures the amount of the RF antibody present in … can attach to normal body tissue and cause damage. A high level of RF can be caused by several autoimmune … and some infections. Sometimes a healthy person can have a high RF level. The amount of RF in blood can be measured in …
Medical tests
… (ALP) test measures the amount of the enzyme ALP in the blood. ALP is made mostly in the liver and in bone with some … D deficiency, or damaged liver cells. If the ALP level is high, more tests may be done to find the cause. The amounts … The ALP test is done to: Check for liver damage when you're taking medicines that can damage the liver. Help look for …