145 results found
Medical tests
… Sodium (Na) in Urine Test On this page: Test Overview Why It Is Done How To Prepare How It Is … have many causes, such as heart failure, malnutrition, and diarrhea. Why It Is Done A urine test to check sodium levels … have many causes, such as heart failure, malnutrition, and diarrhea. Why It Is Done A urine test to check sodium levels …
Medical tests
… Complete Blood Count (CBC) On this page: Test Overview Why It Is Done How To Prepare How It Is … high RBC values. These conditions include dehydration , diarrhea or vomiting, excessive sweating, and the use of … high RBC values. These conditions include dehydration , diarrhea or vomiting, excessive sweating, and the use of …
Medical tests
… Thyroid Hormone Tests On this page: Test Overview Why It Is Done How To Prepare How It Is … ). All newborns are screened for congenital hypothyroidism. Older children also need thyroid hormones to grow and … Your doctor will also look at your results based on your age, health, and other factors. A value that isn't in the …
Medical tests
… Calcium (Ca) in Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is … Your doctor will also look at your results based on your age, health, and other factors. A value that isn't in the … be normal for you. Normal blood calcium values are lower in older people. You may also have values for an ionized …
Medical tests
… Rheumatoid Factor (RF) Test On this page: Test Overview Why It Is Done How To Prepare How It Is … RF antibody can attach to normal body tissue and cause damage. A high level of RF can be caused by several autoimmune … of these people will later have rheumatoid arthritis. Older adults who don't have rheumatoid arthritis sometimes …
Medical tests
… Homocysteine On this page: Test Overview Why It Is Done How To Prepare How It Is … is removed. Put pressure on the site and then put on a bandage. How It Feels The blood sample is taken from a vein in … in women. Age. Homocysteine levels get higher as you get older. Low values Low values of homocysteine may be caused …
Medical tests
… Alpha-Fetoprotein (AFP) Test On this page: Test Overview Health Tools Why It Is Done How To … uE3). The levels of these substances—along with a woman's age and other factors—help the doctor estimate the chance … on your weight. The test results are also based on race, age, and how many weeks you are in your pregnancy. How It Is …
Medical tests
… Blood Alcohol Test On this page: Test Overview Why It Is Done How To Prepare How It Is … consumption of alcohol is prohibited—for example, in underage people suspected of drinking or in people enrolled in an … Your age. One drink raises the blood alcohol level of an older adult more than it does for a young adult. Food. Food …
Medical tests
… Colonoscopy On this page: Test Overview Why It Is Done How To Prepare How It Is … often. The colon prep causes loose, frequent stools and diarrhea so that your colon will be empty for the test. … stool or rectal bleeding. Check for the cause of chronic diarrhea. Check for the cause of iron deficiency anemia . …
Medical tests
… Stool Culture On this page: Test Overview Why It Is Done How To Prepare How It Is … It can help explain symptoms such as severe or bloody diarrhea or an increased amount of gas. It can also help … Either solid or liquid stool can be collected. If you have diarrhea, a large plastic bag taped to the toilet seat may …
