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Medical tests
… tap, a needle is carefully inserted into the spinal canal low in the back (lumbar area). Samples of CSF are collected. … spinal canal. In rare cases, a spinal tap may be used to lower the pressure in the brain caused by too much CSF. How … taken after the fluid samples are done. The needle is taken out and the puncture site is cleaned and bandaged. Following …
Medical tests
… ALT is measured to see if the liver is damaged or diseased. Low levels of ALT are normally found in the blood. But when … drugs, or viruses. Help check for liver damage. Find out whether jaundice was caused by a blood disorder or liver disease. Keep track of the effects of cholesterol-lowering medicines and other medicines that can damage the …
Medical tests
… A sentinel lymph node biopsy is a surgery that takes out lymph node tissue to look for cancer. A sentinel node … this surgery takes less time, is simpler to do, and has a lower chance of long-term problems, such as ongoing swelling … Prepare Follow the instructions exactly about when to stop eating and drinking. If you don't, your test may be …
Medical tests
… substances in the body, such as bacteria or viruses, a low level of complement means the body is trying to get rid … substances (as in autoimmune diseases such as lupus ), a low level of complement may mean that the body is attacking … substances in the body, such as bacteria or viruses, a low level of complement means the body is trying to get rid …
Medical tests
… health problems. Some of these tests provide information about your health, paternity, or family health history. Why It … decisions such as: Having children. Preventing or treating a disease or health problem. Changing your lifestyle … decisions such as: Having children. Preventing or treating a disease or health problem. Changing your lifestyle …
Medical tests
… gland is found in front of the windpipe (trachea), just below the voice box (larynx). A sample of thyroid tissue can … needle with a special tip and removes a sample of tissue about the size of a grain of rice. Open biopsy. Your doctor … biopsy. Follow the instructions exactly about when to stop eating and drinking. If you don't, your procedure may be …
Medical tests
… was called serum glutamic oxaloacetic transaminase (SGOT). Low levels of AST are normally found in the blood. When body … AST levels rise in 6 to 10 hours and remain high for about 4 days. The AST test may be done at the same time as a … or liver disease. Keep track of the effects of cholesterol-lowering medicines and other medicines that can damage the …
Medical tests
… may cause a genetic illness. The results may tell you about your ancestry, your health, or your risk for certain … days. Risks Risks from gathering a sample There is a very low risk of problems from taking samples of blood, saliva, … days. Risks Risks from gathering a sample There is a very low risk of problems from taking samples of blood, saliva, …
Medical tests
… syndrome (AIDS) . After the original infection, it takes about 4 to 12 weeks for HIV antibodies or antigens to appear … other tests usually aren't needed. This test has a low chance of having a false result after the first few … other tests usually aren't needed. This test has a low chance of having a false result after the first few …
Medical tests
… only during certain activities. These include exercise, eating, sex, stress, bowel movements, and even sleeping. An … that come and go or happen during certain activities. Find out what is causing chest pain or pressure, dizziness, or … on the recorder to mark it (if you have the type that allows you to). Then write down the exact time and how long …