What is a CSF IgG index? CSF stands for cerebrospinal fluid. It is a clear, colorless liquid found in your brain and spinal cord. The brain and spinal cord make up your central nervous system. Your central nervous system controls and coordinates everything you do, including muscle movement, organ function, and even complex thinking and […]
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What is a crystals in urine test? Your urine contains many chemicals. Sometimes these chemicals form solids, called crystals. A crystal in urine test looks at the amount, size, and type of crystals in your urine. It’s normal to have a few small urine crystals. Larger crystals or specific types of crystals can become kidney stones.
What is a creatinine test? This test measures creatinine levels in the blood and/or urine. Creatinine is a waste product made by your muscles as part of regular, everyday activity. Normally, your kidneys filter creatinine from your blood and send it out of the body in your urine. If there is a problem with your
The growth hormone test measures the amount of growth hormone in the blood. The pituitary gland makes growth hormone, which causes a child to grow. This gland is located at the base of the brain. How the Test is Performed A blood sample is needed. How to Prepare for the Test Your health care provider may give
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The growth hormone (GH) stimulation test measures the ability of the body to produce GH. How the Test is Performed Blood is drawn several times. Blood samples are taken through an intravenous (IV) line instead of reinserting the needle each time. The test takes between 2 and 5 hours. The procedure is done the following
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What is an erythrocyte sedimentation rate (ESR)? An erythrocyte sedimentation rate (ESR) is a type of blood test that measures how quickly erythrocytes (red blood cells) settle at the bottom of a test tube that contains a blood sample. Normally, red blood cells settle relatively slowly. A faster-than-normal rate may indicate inflammation in the body.
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What is an electrocardiogram (EKG) test? An electrocardiogram (EKG) test is a simple, painless procedure that measures electrical signals in your heart. Each time your heart beats, an electrical signal travels through the heart. An EKG can show if your heart is beating at a normal rate and strength. It also helps show the size
What is a complete blood count? A complete blood count or CBC is a blood test that measures many different parts and features of your blood, including: Red blood cells, which carry oxygen from your lungs to the rest of your body White blood cells, which fight infection. There are five major types of white
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A quantitative human chorionic gonadotropin (HCG) test measures the specific level of HCG in the blood. HCG is a hormone produced in the body during pregnancy. Other HCG tests include: HCG urine test HCG blood test — qualitative How the Test is Performed A blood sample is needed. This is most often taken from a
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D and C (dilation and curettage) is a procedure to scrape and collect the tissue (endometrium) from inside the uterus. Dilation (D) is a widening of the cervix to allow instruments into the uterus. Curettage (C) is the scraping of tissue from the walls of the uterus. Description D and C, also called uterine scraping,
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