270 results found
Medical tests
… a fungus , or a virus. Check for poor absorption of nutrients by the digestive tract (malabsorption syndrome). … is being tested for blood, you may need to avoid certain foods for 2 to 3 days before the test. This depends on what … be caused by sprue (celiac disease), cystic fibrosis, or malnutrition. Medicine such as colchicine (for gout ) or birth …
Medical tests
… problems that prevent the small intestine from absorbing nutrients in food. D-xylose is normally easily absorbed by the intestines … to gain weight, especially when the child seems to be eating enough food. How To Prepare For 24 hours before a …
Medical tests
… are lower than normal, it may be a sign of a poor diet (malnutrition). Your doctor may use the results of this test to … for signs of a poor diet (malnutrition). Find out if you're getting enough nutrients, mainly protein, in your diet. Protein is …
Medical tests
… and brain of the fetus. This test can show if the fetus is getting enough oxygen and nutrients. Doppler ultrasound may be used to guide decisions … Testing may be done before and after exercise, if you are healthy enough. Veins in the arms and legs For this test, …
Medical tests
… or some kidney or liver diseases. As part of a regular physical examination. How To Prepare Before the test, don't … enough fluid, loss of too much fluid (excessive vomiting, sweating, or diarrhea), or substances (such as sugar or … types of poisoning, and some types of kidney diseases. Healthy pregnant women can have glucose in their urine, …
Medical tests
… cancer cells can also make potassium levels high. Many foods are rich in potassium, including bananas, orange juice, spinach, and potatoes. A balanced diet has enough potassium for the body's needs. But if your potassium … their kidneys or adrenal glands. Check the effects of extra nutrition ( total parenteral nutrition [TPN] ) on potassium …
Medical tests
… symptoms, such as trouble swallowing, vomiting, burping up food, belly pain (including a burning or gnawing pain in the … Belly pain that is relieved or gets worse while eating. Severe heartburn or heartburn that occurs often. How … 6 hours, so bring along a book to read or some other quiet activity. How It Is Done An upper GI series is usually done …
Medical tests
… A bowel transit time test measures how long it takes for food to travel through the digestive tract . After you chew and swallow your food, it moves into your stomach, where it is mixed with … stomach, it is squeezed through your small intestine, where nutrients are absorbed for use by your body. The food then …
Medical tests
… diseases, tuberculosis , or the buildup of asbestos fibres in the lungs (asbestosis). How To Prepare Home or … doctor will tell you how soon before the procedure to stop eating and drinking. Follow the instructions exactly about … you have discomfort when taking a deep breath or coughing, getting a sputum sample may be uncomfortable. Bronchoscopy …
Medical tests
… needs this B vitamin to make blood cells and to maintain a healthy nervous system . Vitamin B12 is found in animal … deficiency anemia unless their bodies can't absorb it from food. Strict vegetarians (vegans) who do not eat animal … present. In rare cases, low levels may mean a person is not getting enough vitamin B12 in his or her food. Low levels …
