329 results found
Medical tests
… this nerve pathway or the muscles of the bladder wall can cause bladder dysfunction. During cystometry, your bladder is … this area. Why It Is Done Cystometry is done to: Find the cause of problems with the bladder or the muscle that holds … sphincter). Problems in one or both of these areas may cause uncontrolled urine leakage, an urgent feeling that you …
Medical tests
… or a disease, such as cancer. Other tests may also be used to check the lymph tissue sample, including a culture , … usually mean an infection. But the swelling can also be caused by a cut, a scratch, an insect bite, a tattoo, a drug … Why It Is Done Lymph node biopsy is done to: Check the cause of enlarged lymph nodes that do not return to normal …
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
… of the lower back (lumbar vertebrae) and a view of the 5 fused bones at the bottom of the spine (sacrum). … Sacrum/coccyx X-ray. It takes a detailed view of the 5 fused bones at the bottom of the spine (sacrum) and the 4 … Why It Is Done A spinal X-ray is done to: Find the cause of ongoing pain, numbness, or weakness. Check for …
Medical tests
… to get the right amount of calcium in your food because the body loses calcium every day. Foods rich in calcium … symptoms. Calcium levels need to be very high or low to cause symptoms. High calcium levels in the urine can cause kidney stones. Why It Is Done A urine calcium test is …
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
… (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 …
