317 results found
Medical tests
… needs this B vitamin to make blood cells and to maintain a healthy nervous system . Vitamin B12 is found in animal … who have had stomach or intestinal surgery, small intestine problems, or people with a family history of this anemia. … you have vitamin B12 deficiency anemia , which might be caused by problems with the absorption of the vitamin (such …
Medical tests
… As part of a routine eye examination to screen for vision problems. How often you should have routine eye examinations changes as you age. Adults, children, and teens have different schedules for eye … or contact lenses. To find out if blurred vision is caused by refractive error or eye disease. Visual field …
Medical tests
… your doctor's instructions exactly about when to stop eating and drinking before the test. This may be about 8 hours. Be sure to tell your doctor about any problems you have with your stomach or esophagus. Be sure … of the probe in their throat, but this is a false sensation caused by the anesthetic. There is always plenty of …
Medical tests
… Is Done A stress echocardiogram is done to check for heart problems that can be seen while the heart is working hard … health products you take. Some may increase the risk of problems during your test. Your doctor will tell you if you … thicker or thinner than normal. A thin heart wall may mean poor blood flow to the heart muscle or an old heart attack. …
Medical tests
… or a home spirometer to monitor and evaluate any breathing problems you may have on a day-to-day basis. A peak flow … in the morning before you take your medicine. Avoid eating a heavy meal before performing a PEF test. Be sure to … in the morning and higher in the afternoon. A person with poorly controlled asthma may have peak flows that vary more …
Medical tests
… cause of seizures or coma. In severe cases, these can be caused by an imbalance between water and electrolytes in the … levels of salt or sugar in the blood. This may be caused by problems such as poorly controlled diabetes . Damage to the kidneys. This can …
Medical tests
… (TCD) ultrasound. Check for varicose veins or other vein problems. Map veins that may be used for blood vessel … A transcranial Doppler (TCD) ultrasound may be used in children with sickle cell disease. The test can check for … Testing may be done before and after exercise, if you are healthy enough. Veins in the arms and legs For this test, …
Medical tests
… of pregnancy. If there is a chance that your baby may have problems during your pregnancy ( high-risk pregnancy ), a … test may falsely show distress in a baby that is actually healthy. Results The results are scores on five measurements … taken, a score of 8 or 10 points means that your baby is healthy. A score of 6 or 8 points means that you may need to …
Medical tests
… D to absorb calcium . Calcium keeps your bones and muscles healthy and strong. If your muscles don't get enough … and brittle bones ( osteoporosis ) in your later years. Children who don't get enough vitamin D may not grow as much … normal for you. High values High levels of vitamin D can be caused by: Williams syndrome. This is a genetic problem that …
Medical tests
… with surgery, such as arthroscopy . An arthrogram can: Find problems in your joint capsule, ligaments, or cartilage. … For instance, have you had a reaction from a bee sting or eating shellfish? Are allergic to any medicines. This … how we develop our content . Media gallery Anatomy of a healthy joint … Test Overview An arthrogram is a test using …
