329 results found
Medical tests
… develop vitamin B12 deficiency anemia unless their bodies can't absorb it from food. Strict vegetarians (vegans) who … history of this anemia. Diagnose the cause of certain types of anemia, such as megaloblastic anemia. Help find the … In rare cases, high levels may be found in people with diabetes or who are obese . Low values Low levels of vitamin …
Medical tests
… of blood and oxygen throughout the body. Lactic acid levels can also get higher when the liver is severely damaged or … in a person who takes metformin (Glucophage) to control diabetes when heart or kidney failure or a severe infection … exercise for several hours before the test. Do not clench your fist while having your blood drawn for a lactic acid …
Medical tests
… different functions of the eye. Some of the tests measure your ability to see details at near and far distances, check … find out if you have a problem that affects how well you can see. They measure the eye's ability to see details at … and without corrective lenses (if you wear them). Several types of visual acuity tests may be used. Refraction test. …
Medical tests
… (PTH) regulates the levels of calcium and phosphorus in your blood. When the phosphorus level is measured, a vitamin … properly. Alcohol use disorder . High calcium levels. Some types of tumours. Calcium (Ca) in Blood … properly. Alcohol use disorder . High calcium levels. Some types of tumours. Calcium (Ca) in Blood …
Medical tests
… spinal tap, a needle is carefully inserted into the spinal canal low in the back (lumbar area). Samples of CSF are … CSF. Medicines may be injected to treat leukemia and other types of cancer of the central nervous system. Put a dye in … tumour or spread of a cancer from another area of the body, diabetes , infection, injury, Guillain-Barré syndrome , …
Medical tests
… partly controls serum osmolality. Water constantly leaves your body as you breathe, sweat, and urinate. If you do not … Find the cause of seizures or coma. In severe cases, these can be caused by an imbalance between water and electrolytes … This may be caused by problems such as poorly controlled diabetes . Damage to the kidneys. This can cause a buildup …
Medical tests
… Small amounts of sodium are also lost through the skin when you sweat. Most foods have sodium naturally in them or as an … normal for you. Results are ready in 1 day. Many conditions can affect sodium levels. Your doctor will talk with you … or injury, diabetic ketoacidosis , or a condition called diabetes insipidus that makes it hard to balance the water …
Medical tests
… of the blood flow in an artery or a vein. An angiogram can be used to look at the arteries or veins in the head, … health care wishes. It's a good thing to have before any type of surgery or procedure. How It Is Done An angiogram … is a special concern for people who have kidney problems or diabetes or who are dehydrated . Special measures are used …
Medical tests
… who have Cushing's syndrome. Sometimes other conditions can keep cortisol levels high during this test. Examples … obesity, kidney failure, pregnancy, and uncontrolled diabetes. The night before the blood test, you will take a dexamethasone pill. The next morning, the …
Medical tests
… Information Test Overview Tests for erection problems can help you find out why you can't have or maintain an … nerves of the penis. Problems such as multiple sclerosis or diabetes may cause nerve damage. Surgery, injury, or … tumescence (NPT) test It is helpful if you wear briefs-type underwear (not boxer shorts) with a fly front when you …