272 results found
Medical tests
… or trisomy 18 . First-trimester screening tests include: Blood tests. These measure the level of two substances in the blood called pregnancy-associated plasma protein A (PAPP-A) … gonadotropin hormone (beta-hCG). PAPP-A is a protein in the blood. Beta-hCG is a hormone made by the placenta . In some …
Medical tests
… tissue from the body. A karyotype test usually is done on a blood sample taken from a vein. For testing during … be done on a sample of amniotic fluid or the placenta . Blood sample from a vein A health professional uses a needle to take a blood sample, usually from an arm. Cell sample from a fetus …
Medical tests
… procedures. Aspiration and biopsy are often done to find a blood problem or an infection. They also may be used to find … both are done to: Look for the cause of problems with red blood cells , white blood cells , or platelets in people who … thrombocytopenia , anemia , or an abnormal white blood cell count. Find blood disorders, such as leukemia , certain …
Medical tests
… if both of the following are true: There is a low sperm count or no sperm in the semen . Hormone test results are … How To Prepare If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it … keep taking it. (These medicines include aspirin and other blood thinners.) Make sure that you understand exactly what …
Medical tests
… and pulses of radio wave energy to provide pictures of blood vessels inside the body. In many cases MRA can provide … to you about the results of your MRA right after the test. Complete results are usually ready for your doctor in 1 to 2 … blood vessels ( aneurysms ) are seen. Abnormal: Partial or complete blockage of a blood vessel may be seen. Blockage …
Medical tests
… Test Overview A chemistry screen is a blood test that measures the levels of several substances in … at more substances in the blood than others do. The most complete form of a chemistry screen (called a chem-20, … at more substances in the blood than others do. The most complete form of a chemistry screen (called a chem-20, …
Medical tests
… A C-peptide test measures the level of this peptide in the blood. It is generally found in amounts equal to insulin . … glucose level is found in people with type 1 diabetes . Complete removal of the pancreas (pancreatectomy) causes a … glucose level is found in people with type 1 diabetes . Complete removal of the pancreas (pancreatectomy) causes a …
Medical tests
… women, pelvic ultrasound may be done to: Find the cause of blood in the urine (hematuria). An ultrasound of the kidneys … This can determine whether the bladder is emptying completely during urination. Check for growths in the … bladder is checked before and after urination, it empties completely. Urine flows normally from the ureters into the …
Medical tests
… strenuous exercise for at least 8 hours before your first blood sample is taken. (You can drink water before the test.) How It Is Done A blood sample is taken when you arrive for the test. This is your fasting blood glucose value. It will be compared to other glucose …
Medical tests
… is used to find problems such as tumours, bleeding, injury, blood vessel diseases, or infection. MRI also may be done to … music to reduce the noise. It is very important to hold completely still while the scan is being done. You may be … initial results of the MRI with you right after the test. Complete results are usually ready for your doctor in 1 to 2 …
