329 results found
Medical tests
… are done to: Monitor how the HIV infection is affecting your immune system. Help diagnose acquired immune deficiency … get treatment, HIV infection can progress to AIDS. Evaluate your risk for other infections ( opportunistic infections ). … as medicines to prevent Pneumocystis pneumonia. How often your CD4+ count is checked depends on your treatment, your …
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 … medicines (especially beta-blockers and ACE inhibitors). Your doctor may have you take other medicines for a few … need to sit or lie down to relax for 1 to 2 hours before your blood is collected. A second blood sample may be …
Medical tests
… pH , the amount of potassium you eat, the hormone levels in your body, severe vomiting, and taking certain medicines, … diet has enough potassium for the body's needs. But if your potassium levels get low, it can take some time for your body to start holding on to potassium. In the meantime, …
Medical tests
… people have one of four blood types: A, B, AB, or O. If your red blood cells have: The A antigen. You have type A blood. The liquid portion of your blood (plasma) has antibodies that attack type B blood. … (A+) blood. The B antigen. You have type B blood. Your plasma has antibodies that attack type A blood. About 9 …
Medical tests
… The radioactive tracer used in this test can get into your breast milk and is not good for the baby. How It Is … with the scan. You may need to take off all or most of your clothes, depending on which area is being examined. (You may be allowed to keep on your underwear if it does not interfere with the test.) You …
Medical tests
… . For an MRI test, you are placed inside the magnet so that your belly is inside the strong magnetic field. MRI can find … to not eat or drink for several hours before the test. Tell your doctor if you get nervous in tight spaces. You may get … ride home. It may be unsafe for you to drive or get home on your own. How It Is Done Before the test You will need to …
Medical tests
… It takes pictures of the organs and other structures in your body. It can be used in different areas such as the … blood vessel. It may be used to find the cause of pain in your belly or another part of your body. Or it can be used to look for a cyst, tumour, or …
Medical tests
… out whether a kidney stone or something else is blocking your urinary tract . During the test, your doctor will insert a thin, lighted tube ( cystoscope ) … need a local or regional anesthetic with this procedure. Your doctor may do this test if an intravenous pyelogram …
Medical tests
… material may be used. It may be put in a vein ( IV ) in your arm. Or it may be placed into other parts of your body (such as the rectum or a joint) to see those areas … CT pictures. A CT scan can be used to study all parts of your body, such as the chest, belly, pelvis, or an arm or …
Medical tests
… Check for too much or too little iron in the blood. See if your diet is providing enough iron. Find out if treatment to keep the right amount of iron in your blood is working. How To Prepare Do not eat or drink … need to avoid iron supplements for 12 to 24 hours before your test. Your doctor will give you specific instructions. …
