329 results found
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
… (mm Hg). Automatic blood pressure monitors Most people use an automatic monitor to measure their blood pressure at … to test it again when you are home. footnote 1 This is because your blood pressure can change throughout the day. And sometimes blood pressure is high only because you are seeing a doctor. This is called white-coat …
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
… or rhythm, a weak pulse, or a hard blood vessel may be caused by heart disease or another problem. As your heart … out if the heart is pumping enough blood. Help find the cause of symptoms, such as an irregular or rapid heartbeat … may be blocked. Check on medicines or diseases that cause a slow heart rate. Your doctor may ask you to check your …
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 …
Medical tests
… , inflammation , or bleeding. The test can help find the cause of joint pain or swelling. Normally, only a small amount … Removing some of the joint fluid may also relieve pain caused by the buildup of fluid in your joint. How To Prepare … out where the needle should be inserted. Your doctor may use ultrasound to guide the needle placement. The skin over …
