329 results found
Medical tests
… Test Overview A sonohysterography test uses ultrasound to look at the inside of your uterus. A salt (saline) solution is put in the uterus … or problems getting pregnant. If a contrast fluid is used, your doctor will look at the fallopian tubes too. This is …
Medical tests
… Small amounts of sodium are also lost through the skin when you sweat. Most foods have sodium naturally in them or as an … medicines and hormones. Low urine sodium levels have many causes, such as heart failure, malnutrition, and diarrhea. Why … adrenal glands. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… from the intestinal tract into the bloodstream. Find the cause of a child's failure to gain weight, especially when the … with the results of a D-xylose test. For this reason, your doctor may instruct you to temporarily stop these medicines before the test. Do …
Medical tests
… Overview A ventriculogram is a test that shows images of your heart. The images show how well your heart is pumping. The pictures let your doctor check … of a radioactive tracer into your blood. Then your doctor uses a special camera to see how well your heart is pumping …
Medical tests
… to check whether a newborn baby has the enzyme needed to use phenylalanine in their body. Phenylalanine is an amino … are tested for PKU right after birth. To have the disease, you must inherit the gene from each parent. The blood sample for PKU is usually taken from your baby's heel (called a heel stick). The test is done in …
Medical tests
… prolactin, which is made by the pituitary gland , in your blood. Pregnant women have high levels of prolactin, … 20 times. After the baby is born, prolactin stays high if you are breastfeeding. In women who do not breastfeed, … times of physical or emotional stress. Many medicines can cause prolactin levels to go up. Tumours of the pituitary …
Medical tests
… Test Overview A contraction stress test checks to see if your baby will stay healthy during contractions when you are in labour. This test includes external fetal heart … test, you are given the hormone oxytocin. This hormone causes uterine contractions. You may also massage your …
Medical tests
… glands then make a hormone called cortisol, which helps your body manage stress. Cortisol is needed for life, so its … ACTH levels may be tested in the morning or evening if your doctor thinks that they are abnormal. Cortisol levels … cortisol (or low ACTH and high cortisol levels) could be caused by a problem with the adrenal glands. Low levels of …
Medical tests
… problems or find out whether a woman has gone through menopause. See why a child is going through early or delayed … such as cimetidine, letrozole, and levodopa, can change your test results. You may be asked to stop taking medicines (including birth …
Medical tests
… Some diseases, such as severe forms of thalassemia , may cause hemoglobin A levels to be low and hemoglobin F levels to … from a parent to a child (inherited). How To Prepare Tell your doctor if you are getting iron therapy for iron deficiency anemia . …
