329 results found
Medical tests
… partly controls serum osmolality. Water constantly leaves your body as you breathe, sweat, and urinate. If you do not drink enough water, the concentration of chemicals in your blood (serum osmolality) increases. When serum osmolality increases, your body releases ADH. This keeps water from leaving in the …
Medical tests
… Or it may be done to look for blocked blood vessels in your lungs. During an angiogram, the doctor will put a thin, flexible tube into a blood vessel in your groin or arm. This tube is called a catheter. The … you make wise health decisions or take action to improve your health. Decision Points focus on key medical care …
Medical tests
… For an MRI test, you are placed inside the machine so that your knee is inside the strong magnetic field. MRI can find … The contrast material may be put in a vein ( IV ) in your arm or directly into your knee. There are two main types of MRI—the standard MRI …
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 volume, blood pressure, and pH of your body fluids. Tests for sodium, potassium, and …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done This test is done … It Feels Most people don't feel pain during the test. But keeping your neck extended during the test may cause some … It Feels Most people don't feel pain during the test. But keeping your neck extended during the test may cause some …
Medical tests
… (T3) and thyroxine (T4). T3 and T4 help control your body's metabolism . Triiodothyronine (T3) and thyroxine … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Results Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… For an MRI test, you are placed inside the machine so that your shoulder is inside the strong magnetic field. MRI can … The contrast material may be put in a vein ( IV ) in your arm or directly into your shoulder joint. Why It Is Done Magnetic resonance …
Medical tests
… . For an MRI test, you are placed inside the magnet so that your belly is inside the strong magnetic field. MRI can find … to not eat or drink for several hours before the test. Tell your doctor if you get nervous in tight spaces. You may get … ride home. It may be unsafe for you to drive or get home on your own. How It Is Done Before the test You will need to …
Medical tests
… 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. Your doctor will give you a large container that holds about …
Medical tests
… used depends on where the sample will be taken from and your overall health. Methods are: Bronchoscopic biopsy. A … If you take aspirin or some other blood thinner, ask your doctor if you should stop taking it before your test. Make sure that you understand exactly what your …
