329 results found
Medical tests
… tracer the thyroid gland absorbs from the blood. The test can show how much tracer is absorbed by the thyroid gland. … radioactive iodine uptake (RAIU) test is done to: Find the cause of an overactive thyroid gland (hyperthyroidism). Plan … surgery. How To Prepare Tell your doctor if you: Take any medicines regularly. Be sure your doctor knows the names and …
Medical tests
… space) between the bones in your spine (spinal canal). A myelogram may be done to find a tumour, an … such as a herniated disc , or narrowing of the spinal canal caused by arthritis. The spinal canal holds the spinal cord, … test. Or your doctor may tell you to keep taking it. (These medicines include aspirin and other blood thinners.) Make …
Medical tests
… from being seen. Air-filled organs, such as the intestines, can make the image less clear. Pelvic ultrasound can be done in several ways. Transabdominal ultrasound. A … men and women, pelvic ultrasound may be done to: Find the cause of blood in the urine (hematuria). An ultrasound of …
Medical tests
… gum or smoke cigarettes for 4 hours before the test. You can drink as much water as you want up to 1 hour before the … your doctor about all the non-prescription and prescription medicines you take. Be sure to mention any acid-reducing … be normal for you. High levels High gastrin levels may be caused by: Zollinger-Ellison syndrome , a rare disease that …
Medical tests
… hormone is made by the adrenal glands . Potassium levels can be affected by how the kidneys are working, the blood pH … levels in your body, severe vomiting, and taking certain medicines such as diuretics and potassium supplements can … is too high or too low can be serious. Abnormal levels may cause symptoms such as muscle cramps or weakness, nausea, …
Medical tests
… an example of a nucleic acid amplification test. This test can also be done on a urine sample. If you have chlamydia, … your symptoms of a sexually transmitted infection (STI) are caused by a chlamydia infection. Check people who are at … Ask the Doctor Citations Public Health Agency of Canada (2020). Canadian guidelines on sexually transmitted …
Medical tests
… important to get the right amount of calcium in your food because the body loses calcium every day. Foods rich in … or low to cause symptoms. High calcium levels in the urine can cause kidney stones. Why It Is Done A urine calcium test … urine may be caused by: Hyperparathyroidism . Sarcoidosis . Cancer. Paget's disease . In some cases, calcium in the …
Medical tests
… chloride and in baking soda as sodium bicarbonate. Many medicines and other products also have sodium in them, … medicines and hormones. Low urine sodium levels have many causes, such as heart failure, malnutrition, and diarrhea. … your doctor tells you to. How It Is Done Urine sodium can be checked in a single urine sample, but it is more …
Medical tests
… is the tissue that links the fetus to the mother. Estriol can be found as early as the 9th week of pregnancy. The … growing in the testicles. Monitor treatment with fertility medicines. Learn more Pregnancy: Should I Have Screening … symptoms and past health. High values High values may be caused by: Ovarian stimulation used to treat infertility …
Medical tests
… antibody tests measure the levels of antibodies that can destroy thyroid tissue or make the cells produce thyroid … are blood tests. Antibodies that destroy thyroid tissue can lead to hypothyroidism (underactive thyroid). Antibodies … tests may be done after thyroid hormone tests to find the cause of high or low levels of thyroid hormones. High levels …
