302 results found
Medical tests
… of the spine. They may be taken to find injuries or diseases that affect the discs or joints in your spine. … injury. Risks There is always a slight chance of damage to cells or tissue from radiation, including the low levels of … injury. Risks There is always a slight chance of damage to cells or tissue from radiation, including the low levels of …
Medical tests
… injected into a vein in your arm. It travels through your blood to the testicles. Parts of the testicles where the … the testicles caused by an injury or to look at the flow of blood within the testicles. How To Prepare In general, … exposed to radiation, there's a small chance of damage to cells or tissue. That's the case even with the low-level …
Medical tests
… that has a strong magnet. The MRI can show tissue damage or disease, such as infection or inflammation, or a tumour, … pictures of structures more clearly. The dye may help show blood flow, look for some types of tumours, and show areas … Look for the cause of headaches. Help diagnose a stroke or blood vessel problems in the head. Problems with blood …
Medical tests
… measures the amount of the amino acid homocysteine in the blood. Why It Is Done A homocysteine blood test is done to: Help identify vitamin B12 deficiency … deficiencies are available. Help identify a rare inherited disease ( homocystinuria ) that causes a deficiency of one …
Medical tests
… Information Test Overview A parathyroid hormone (PTH) blood test measures the level of parathyroid hormone in the blood. This test is used to help identify … calcium levels, or to check the status of chronic kidney disease. PTH controls calcium and phosphorus levels in the …
Medical tests
… analysis is done by evaluating hair structure and DNA from cells attached to the root of the hair. It can be used to … or toxic metals in the body should be confirmed by testing blood and urine samples. What the hair sample contains is … or toxic metals in the body should be confirmed by testing blood and urine samples. What the hair sample contains is …
Medical tests
… Information Test Overview The hepatitis A virus test is a blood test that shows if you have a hepatitis A infection … made by the body to fight the virus. They will be in your blood if you have a hepatitis A infection now or have had … to the virus if you have been to a country where the disease is common, you work in a daycare centre, or you live …
Medical tests
… sodium and potassium levels in the body. This helps control blood pressure and the balance of fluids and electrolytes in the blood. The kidney hormone renin normally stimulates the … adrenal glands ( Conn's syndrome ). Heart failure. Kidney disease. Liver disease. A condition during pregnancy that …
Medical tests
… the level of adrenocorticotropic hormone (ACTH) in the blood to check for problems with the pituitary gland and … stress. Cortisol is needed for life, so its levels in the blood are closely controlled. When cortisol levels rise, … or physical stress (such as recent surgery or severe pain). Diseases such as Addison's disease (failure of the adrenal …
Medical tests
… of the heartbeat can also be noted, as well as whether the blood vessel feels hard or soft. Changes in your heart rate or rhythm, a weak pulse, or a hard blood vessel may be caused by heart disease or another problem. As your heart pumps blood …
