329 results found
Medical tests
… cortisol (or low ACTH and high cortisol levels) could be caused by a problem with the adrenal glands. Low levels of ACTH and cortisol could be caused by a problem with the pituitary gland. Overproduction of ACTH. This may be caused by an overactive pituitary gland, or sometimes by a …
Medical tests
… to find germs (such as bacteria or a fungus ) that can cause an infection. A sample of cells from the back of your … no germs grow, the culture is negative. If germs that can cause infection grow, the culture is positive. The type of … a throat culture include: Candida albicans . This fungus causes thrush , an infection of the mouth and tongue and …
Medical tests
… Test Overview A herpes simplex virus (HSV) infection can cause small, painful sores that look like blisters on the skin … a sample from a sore can be tested to check if it is caused by the herpes virus. HSV testing may also be done using … for sexually transmitted infections (STIs). That's because a positive result only means you have been exposed to …
Medical tests
… medicines and hormones. Low urine sodium levels have many causes, such as heart failure, malnutrition, and diarrhea. Why … the water and electrolyte balance of the body. Find the cause of symptoms from low or high levels of sodium. Check the … a large container that holds about 4 L (1 gal) . You will use the container to collect your urine. When you first get …
Medical tests
… of infection: Antigens , which are made by bacteria or viruses. Antibodies , which are made by the body to fight … doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means …
Medical tests
… less is found in the urine. Kidney problems can cause high or low levels of phosphate in the urine. High levels of phosphate in the urine also may be caused by eating a meal high in phosphorus, having high levels … parathyroid gland . Some types of tumours may also cause high levels of phosphate in the urine. Tests for calcium …
Medical tests
… too high or too low can be serious. Abnormal levels may cause symptoms such as muscle cramps or weakness, nausea, diarrhea, or frequent urination. Other symptoms may … test to check potassium levels is done to look for the cause of a low or high blood potassium test result. How To …
Medical tests
… into your liver to take the tissue sample. The doctor may use X-ray pictures on a screen to help guide the needle into … pain in your shoulder. This is called referred pain. It's caused by pain that travels along a nerve near the biopsy … A needle biopsy of the liver may be done to: Find the cause of jaundice. A liver biopsy can find certain liver …
Medical tests
… Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . …
Medical tests
… through your chest to make detailed pictures. A low-dose CT uses much less radiation than a regular-dose CT scan. A … some clothing, such as a bra. You will be given a gown to use during the test. During the test, you will lie on a … test takes a few minutes. How It Feels The test will not cause pain. The table you lie on may feel hard, and the room …
