329 results found
Medical tests
… Overview A chloride test measures the level of chloride in your blood or urine. Chloride is one of the most important … It helps keep the amount of fluid inside and outside of your cells in balance. It also helps maintain proper blood … potassium, and bicarbonate are usually done at the same time as a blood test for chloride. Most of the chloride in …
Medical tests
… A test for sodium in the urine is a 24-hour test or a one-time (spot) test that checks for how much sodium is in the … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Urine sodium can be … sample is done at home. Timed urine collection You collect your urine for a period of time, such as over 4 or 24 hours. …
Medical tests
… of the waste product creatinine (say "kree-AT-uh-neen") in your blood and urine. These tests tell how well your kidneys are working. Another substance, creatine (say … uses a needle to take a blood sample, usually from the arm. Timed urine test You collect your urine for a period of …
Medical tests
… Done Results Overview An evoked potential test measures the time it takes for nerves to respond to stimulation. The size … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the …
Medical tests
… Test Overview Body temperature is a measure of how well your body can make and get rid of heat. The body is very … change a lot. When you are too hot, the blood vessels in your skin widen to carry the excess heat to your skin's … is ovulating. How To Prepare Take your temperature a few times when you are well. This will help you find out what is …
Medical tests
… and 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 levels get low, it can take some time for your body to start holding on to potassium. A …
Medical tests
… Sleep studies are tests that record what happens to your body during sleep. The studies are done to find out what's causing your sleep problems. Sleep studies can also find out if you … NREM and REM alternate through these stages about 4 to 6 times during a night's sleep. A change in this cycle may …
Medical tests
… urine. In the blood, amylase levels rise for only a short time. In the urine, amylase may remain high for several … you produce over a 24-hour period. You start collecting your urine in the morning. When you first get up, empty your bladder, but don't save this urine. Write down the time …
Medical tests
… by detecting human chorionic gonadotropin (hCG) in your urine. How To Prepare Equipment You can buy home … in urine. Midstream kits have a test strip that you hold in your stream of urine for several seconds. All kits tell you to wait a specific amount of time before reading the results. When to test Most home …
Medical tests
… at how urine is made and flows out of the kidneys. Sometimes a doctor will do multiple scans at one time (for … 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. …
