284 results found
Medical tests
… Test Overview An iron test checks the amount of iron in the blood. Iron (Fe) is a mineral needed for hemoglobin, the … you specific instructions. This test is often done first thing in the morning. How It Is Done A health professional … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… and pulses of radio wave energy to provide pictures of blood vessels inside the body. In many cases MRA can provide … kidneys, or legs. How To Prepare In general, there's nothing you have to do before this test, unless your doctor … spaces. You may get a medicine to help you relax. If you think you'll get this medicine, be sure you have someone to …
Medical tests
… (CO2) is a gaseous waste product from metabolism . The blood carries carbon dioxide to your lungs, where it is … metabolic conditions. How To Prepare In general, there's nothing you have to do before this test, unless your doctor … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… Test Overview A cold agglutinins blood test is done to check for conditions that cause the … an increase in cold agglutinin levels in their blood within a week of being infected. Newer tests for mycoplasma … blood test. How To Prepare In general, there's nothing you have to do before this test, unless your doctor …
Medical tests
… strenuous exercise for at least 8 hours before your first blood sample is taken. (You can drink water before the … on that day. When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick … on that day. When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… Test Overview A lactic acid test is a blood test that measures the level of lactic acid made in … acidosis. Symptoms of lactic acidosis include rapid breathing, excessive sweating, cool and clammy skin, … To prepare for a lactic acid test: Do not eat or drink anything other than water for 8 to 10 hours before the test. Do …
Medical tests
… An ammonia test measures the amount of ammonia in the blood. Most ammonia in the body forms when protein is broken … (hyperalimentation). How To Prepare Do not eat, drink anything other than water, or smoke for 8 hours before having … from a vein When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… of chemicals dissolved in the liquid part (serum) of the blood. Chemicals that affect serum osmolality include … or antifreeze. How To Prepare In general, there's nothing you have to do before this test, unless your doctor … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… how much human immunodeficiency virus (HIV) is in the blood. The test measures the amount of the genetic material … With good treatment, the viral load should go down. Within a few months of treatment, the virus should become … people through sex. How To Prepare In general, there's nothing you have to do before this test, unless your doctor …
Medical tests
… Information Test Overview A parathyroid hormone (PTH) blood test measures the level of parathyroid hormone in the … kidney disease. How To Prepare In general, there's nothing you have to do before this test, unless your doctor … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
