329 results found
Medical tests
… a test to find germs (such as bacteria) in the urine that can cause an infection. Bacteria can enter through the … is negative. If germs grow, the culture is positive. The type of germ may be identified using a microscope or … find out whether the treatment has worked. How To Prepare You will need to collect a urine sample. You will need to …
Medical tests
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … test. Do not eat foods that are very salty, such as bacon, canned soups and vegetables, olives, bouillon, soy sauce, … High High Low values Addison's disease and some types of kidney disease may cause low aldosterone levels. …
Medical tests
… bacteria are spread by certain kinds of ticks. Lyme disease can be hard to diagnose because its symptoms are similar to those of many other illnesses. If you and your doctor think you have Lyme disease, your doctor … infected recently or sometime in the past. There are two types of antibody tests to detect Lyme disease. …
Medical tests
… Test Overview A thyroid and parathyroid ultrasound is a type of imaging test. It checks the thyroid gland and parathyroid glands . A thyroid ultrasound can help measure the size and shape of the thyroid gland . … by ultrasound. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… (T3) and thyroxine (T4). T3 and T4 help control your body's metabolism . Triiodothyronine (T3) and thyroxine … properly. An underactive thyroid gland ( hypothyroidism ) can cause symptoms such as weight gain, tiredness, dry skin, … ). Causes of hyperthyroidism include Graves' disease , a type of goiter (toxic multinodular goiter), and a …
Medical tests
… is a series of pictures of the bones in the face . One type of facial X-ray (called a paranasal sinus X-ray series) … if the eye has been injured. A computed tomography (CT) scan may be needed to check any problems seen on X-ray. Why … in the face. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… to show a picture of the testicles and scrotum . The test can show the long, tightly coiled tube that lies behind each … gland . The ultrasound does not use X-rays or other types of radiation. A small hand-held device called a … genital area. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… HCG is made by the placenta during pregnancy. The test can be used to see if a woman is pregnant. HCG can be found … hCG goes up early in pregnancy can give information about your pregnancy and the health of your baby. Soon after … a tumour of the testicles or ovaries. It may also mean some types of cancer, such as cancer of the stomach, pancreas , …
Medical tests
… injuries or diseases that affect the discs or joints in your spine. These problems may include spinal fractures, … spine is divided into four parts. So there are four common types of spinal X-rays: Cervical spine X-ray. It takes … and a physical examination done to see whether the brace can be taken off without hurting the spine. Usually 3 to 5 …
Medical tests
… ). It helps the body manage stress. Cortisol levels can be affected by many things, such as physical or … in the evening and during the early phase of sleep. But if you sleep during the day and are up at night, this pattern … are usually benign. This means they are not cancer. Some types of cancer, such as adrenal cancer and some rare lung …
