272 results found
Medical tests
… Results Test Overview A potassium test checks how much potassium is in the blood. Potassium is both … their kidneys or adrenal glands. Check the effects of extra nutrition ( total parenteral nutrition [TPN] ) on potassium … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… isoenzymes test. Why It Is Done The ALP test is done to: Check for liver damage when you're taking medicines that can … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of … levels of ALP can be caused by: Conditions that lead to malnutrition, such as celiac disease . A lack of nutrients in …
Medical tests
… Information Test Overview A test for calcium in the blood checks the calcium level in the body that is not stored in … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of … by kidney failure , laxative use, and other things. Malnutrition caused by diseases such as celiac disease , …
Medical tests
… or an artery. Why It Is Done An ammonia test is done to: Check how well the liver is working, especially when … ammonia in a person receiving high-calorie intravenous (IV) nutrition (hyperalimentation). How To Prepare Do not eat, … feel nothing at all from the needle. Or you might feel a quick sting or pinch. If the sample is taken from an artery …
Medical tests
… Results Test Overview A sodium test checks how much sodium is in the blood. Sodium is both an … sodium levels have many causes, such as heart failure, malnutrition, and diarrhea. Other electrolytes, such as … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… with the immune system. Conditions that lead to poor nutrition. How To Prepare In general, there's nothing you … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… test for liver damage. Why It Is Done This test is done to: Check for liver damage. Help look for liver disease, such as … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of … exercise or severe injury to a muscle. High doses of vitamin A. Kidney or lung damage. Mononucleosis . Some types …
Medical tests
… Find a fungal infection , such as yeast, in the blood. Check for endocarditis , which is an infection of the valves … in a major vein because they are receiving chemotherapy or nutrition supplements for weeks or months at a time. For … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… Results Test Overview A ketone test checks for ketones in your blood or urine. Ketones are … may feel nothing at all from the needle, or you may feel a quick sting or pinch. Blood test at home Your finger may … an eating disorder, including disorders that result in poor nutrition such as anorexia nervosa or bulimia , alcohol use …
Medical tests
… with vision (occipital cortex). Electrophysiology tests check to see how well this visual nerve pathway sends the … may help find the cause of certain retina problems, such as vitamin A deficiency or metabolic disorders. A multifocal … repeated patterns (checkerboard or dotted) that appear in quick flashes on a screen. The size or intensity of the …
