329 results found
Medical tests
… Myoglobin Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … professional uses a needle to take a blood sample, usually from the arm. Urine test You will need a clock that … about 60 mL (2 fl oz) of this "midstream" urine without stopping the flow. Don't touch the rim of the container to …
Medical tests
… Colonoscopy On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … Information Test Overview Colonoscopy is a test that allows your doctor to look at the inner lining of your large … your procedure. Your doctor will tell you if you should stop taking any of them before the procedure and how soon to …
Medical tests
… (ACTH) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … gland in response to the release of another hormone, called corticotropin-releasing hormone (CRH), by the … , that could change the test results, you will need to stop taking it for up to 48 hours before the test. Your …
Medical tests
… Renin Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … find the cause of high blood pressure (hypertension), especially when potassium levels in the blood are low. How To … For 2 to 4 weeks before the test, you may be asked to stop taking medicines that can affect the test, such as …
Medical tests
… in Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … go up when the pituitary gland releases another hormone called adrenocorticotropic hormone (ACTH). Cortisol has many … can affect cortisol levels for some time even after you stop taking the medicine. How It Is Done A health …
Medical tests
… (BPP) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … test. How To Prepare If you smoke, you will be asked to stop smoking for 2 hours before testing. This is because … be uncomfortable. During a fetal ultrasound, you may have a feeling of pressure in your bladder. The gel may feel cool …
Medical tests
… Clearance On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … formed when food is changed into energy through a process called metabolism . Creatine is broken down into creatinine. … during your test. Your doctor will tell you if you should stop taking any of them before the test and how soon to do …
Medical tests
… Gastrin Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … gastrin in the blood. Gastrin is produced by cells, called G cells, in the stomach lining. When food enters the … Prilosec (omeprazole), or Tums. You may need to stop taking some medicines before this test. Stress can …
Medical tests
… Hysteroscopy On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … tube through the cervix and into the uterus. This tube is called a hysteroscope, or scope. The doctor will fill your … doctor can pass heated tools through the hysteroscope to stop the bleeding. See if a problem in the shape or size of …
Medical tests
… Vitamin B12 Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … which reduces a person's risk of anemia. Vitamin B12 is usually measured at the same time as a folic acid test, because … blood will: Wrap an elastic band around your upper arm to stop the flow of blood. This makes the veins below the band …
