329 results found
Medical tests
… ophthalmoscopy, vision testing, and tonometry (to measure pressure in the eye). To look at structures in the back of … such as diabetes or rheumatoid arthritis . To keep checking on problems such as bleeding after an eye injury. … the iris and cornea (hyphema) from a sudden break in a blood vessel or as a result of an injury to the eye. Signs …
Medical tests
… Most of the sodium in the body (about 85%) is found in blood and lymph fluid . Sodium levels in the body are partly … or electrolyte imbalances. Urine sodium levels are often high when blood levels are low. The urine sodium level is … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Urine sodium can be …
Medical tests
… Test Overview A lactic acid test is a blood test that measures the level of lactic acid made in … for energy and makes lactic acid. Lactic acid levels get higher when strenuous exercise or other conditions—such as … exercise for several hours before the test. Do not clench your fist while having your blood drawn for a lactic acid …
Medical tests
… Test Overview A sickle cell test is a blood test done to check for sickle cell trait or sickle … cell disease is to look at the blood using a method called high-performance liquid chromatography (HPLC). This test … provinces test newborns for sickle cell disease. Talk with your doctor for more information. Why It Is Done A sickle …
Medical tests
… is a surgical procedure that lets a doctor look inside your joints. The doctor uses a thin viewing tool called an … tests may include X-rays , ultrasound, CT scan , MRI , or blood tests. Do surgery to repair a joint problem. It may be … during the procedure. Your heart rate and rhythm, blood pressure, and breathing will be watched closely during the …
Medical tests
… (ALT) test measures the amount of this enzyme in the blood. ALT is found mainly in the liver, but also in smaller … Results Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for … for you. Results are usually available within 12 hours. High values High levels of ALT may be caused by: Liver …
Medical tests
… protein test measures the total amount of protein in the blood. It also measures the amounts of two major groups of … how well the liver and kidneys are working. Find out if your diet contains enough protein. Help find the cause of … for you. Results are usually available within 12 hours. High values High albumin levels may be caused by: Severe …
Medical tests
… less is found in the urine. Kidney problems can cause high or low levels of phosphate in the urine. High levels of … meal high in phosphorus, having high levels of vitamin D in your body, or having an overactive parathyroid gland . Some … not get toilet paper, pubic hair, stool (feces), menstrual blood, or anything else in your urine sample. How It Feels …
Medical tests
… Test Overview Cystometry is a test that measures the pressure inside of the bladder to see how well the bladder … cord and brain that you need to urinate. In response, your spinal cord sends a signal for the bladder to contract … a bladder infection can spread to a kidney and into the blood, leading to a life-threatening infection. If an …
Medical tests
… measures the amount of prostate-specific antigen in the blood. PSA is released into the blood by the prostate , … (PSA) test is done to: Screen for prostate cancer. If your PSA level is higher than expected, your doctor may suggest other tests, …
