265 results found
Medical tests
… of CSF are collected. The samples are studied for colour, blood cell counts, protein, glucose, and other substances. … and how soon to do it. If you take aspirin or some other blood thinner, ask your doctor if you should stop taking it … pressure, and checks whether the fluid is clear, cloudy, or bloody. Several small samples of fluid are collected and …
Medical tests
… the chemicals it produces, such as cotinine—in your blood or urine. It's usually done by testing a sample of your blood or urine. The test is used to see if you smoke or use … take more than 2 weeks for the levels of cotinine in your blood and urine to drop. Quitting …
Medical tests
… A vitamin D test measures the amount of vitamin D in the blood. Your body needs vitamin D to absorb calcium . Calcium … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the …
Medical tests
… injected into a vein in your arm. It travels through your blood to the testicles. Parts of the testicles where the … the testicles caused by an injury or to look at the flow of blood within the testicles. How To Prepare In general, … This may be a sign of narrowing, blockage, or damage in the blood vessels in the testicles. This could mean that blood …
Medical tests
… Most of the sodium in the body (about 85%) is found in blood and lymph fluid . Sodium levels in the body are partly … and toothpaste. Doctors may look at sodium levels in the blood and urine to see whether conditions or medicines may … imbalances. Urine sodium levels are often high when blood levels are low. The urine sodium level is often low …
Medical tests
… Test Overview Hepatitis B tests are blood tests that show whether you have an active hepatitis B … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the …
Medical tests
… A CA-125 test measures the amount of this protein in the blood. CA-125 is used as a tumour marker , which means the … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the …
Medical tests
… levels can be affected by how the kidneys are working, the blood pH , and the amount of potassium you eat. The hormone … urination. Other symptoms may include dehydration , low blood pressure, confusion, irritability, paralysis, and … levels is done to look for the cause of a low or high blood potassium test result. How To Prepare In general, …
Medical tests
… tissue or make the cells produce thyroid hormones. They are blood tests. Antibodies that destroy thyroid tissue can lead … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the …
Medical tests
… in the pictures. The contrast material may be used to check blood flow, find some types of tumours, and show areas of … the liver to the gallbladder (bile duct). Check organs and blood vessels prior to organ transplantation or surgery. How … imaging (MRI) of the abdomen Normal: The organs and blood vessels are normal in size, shape, and location. No …
