317 results found
Medical tests
… positions and under different conditions, such as not eating before the test or eating foods that contain a specific amount of salt. Your … normal for you. High values High aldosterone levels can be caused by: A tumour in the adrenal glands ( Conn's syndrome …
Medical tests
… To help find your risk of having heart and blood flow problems, including heart attack and stroke. If you have … deposits in the skin (xanthomas). These symptoms may be caused by a genetic disease that causes very high … that you have a familial lipid disorder. footnote 3 For children and teens, test results are slightly different than …
Medical tests
… a lack of either vitamin may cause anemia. Check for malnutrition or problems absorbing (malabsorption) folate. See if treatment … people with alcohol use disorder , certain cancers, or an eating disorder. Folate Deficiency …
Medical tests
… test for checking if someone has epilepsy. Check for problems with loss of consciousness or dementia . Help find … . Delta waves are normally found only in young children and in people who are asleep. Theta waves are … slowing of brain waves in the brain. These changes may be caused by a brain tumour, infection, injury, stroke , or …
Medical tests
… nausea, vomiting, and sometimes jaundice. Check for bone problems (sometimes found on X-rays). Some examples are … before the test. The ALP level generally goes up after eating, especially after you eat fatty foods. Tell your … normal for you. High values Very high levels of ALP can be caused by liver problems, such as hepatitis , blockage of …
Medical tests
… symptoms such as muscle twitching or spasms, breathing problems, weakness, or confusion. Find out whether you have … blood pH. A condition called metabolic alkalosis can be caused by a loss of acid from your body (for example, from a … caused by: Dehydration , such as from diarrhea or vomiting. Eating a lot of salt. Kidney disease. An overactive …
Medical tests
… of the eyes may look yellow (jaundice). Jaundice may be caused by liver disease ( hepatitis ), blood disorders ( … intestine . Mild jaundice in newborns usually doesn't cause problems. But too much bilirubin (hyperbilirubinemia) in a … should not eat or drink for 4 hours before the test. For children, there's generally nothing you have to do before …
Medical tests
… hormone (ACTH) in the blood to check for problems with the pituitary gland and adrenal glands . ACTH … of cortisol (or low ACTH and high cortisol levels) could be caused by a problem with the adrenal glands. Low levels of … hormone (ACTH) in the blood to check for problems with the pituitary gland and adrenal glands . ACTH …
Medical tests
… is done when a muscle or nerve problem may be causing problems with how well the bladder holds or releases urine. … Why It Is Done Cystometry is done to: Find the cause of problems with the bladder or the muscle that holds urine in … are working properly. A low pressure reading may mean that poor muscle function is causing urinary incontinence . …
Medical tests
… activity. A PET scan can help a doctor find nervous system problems, such as Parkinson's disease, multiple sclerosis , … than 65). footnote 1 This is called amyloid imaging. Find poor blood flow to the heart, which may mean coronary artery … metabolism may mean a form of dementia . Dementia may be caused by Parkinson's disease , Huntington's disease , or …