303 results found
Medical tests
… response or potential (VER or VEP). This response occurs when the eyes are stimulated by looking at a test pattern. … evoked response or potential (ABER or ABEP). This occurs when hearing is stimulated by listening to a test tone. … evoked response or potential (SSER or SSEP). This occurs when the nerves of the arms and legs are stimulated by an …
Medical tests
… release of urine ( urinary incontinence ) that may occur when you cough, sneeze, laugh, or exercise. A Bonney test is … through the urethra . A slight burning sensation may occur when the catheter is inserted. If your bladder is already … stress test may be done as part of a physical examination when: You have involuntary release of urine when you sneeze, …
Medical tests
… sample. High amounts of lipase may be found in the blood when the pancreas is damaged or when the tube leading from the pancreas (pancreatic duct) to … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… a brownish yellow substance found in bile . It is produced when the liver breaks down old red blood cells. Bilirubin is … derived from the total and direct bilirubin measurements. When bilirubin levels are high, the skin and whites of the … Several drops of blood are collected in a small tube. When enough blood has been collected, a gauze pad or cotton …
Medical tests
… system attacks and destroys the body's normal tissues. When a person has an autoimmune disease, the immune system … test takes The test will take several minutes. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… is a blood test that measures a substance that is released when a blood clot breaks up. Doctors order the d-dimer test, … is working. Why It Is Done Doctors use the d-dimer test when a person might have a dangerous blood-clotting problem. … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… ( RNA ) of HIV in the blood. Viral load is first measured when you are diagnosed with HIV infection. This first … the amount of the virus is too low for the test to detect. When the virus is undetectable, you cannot pass HIV to other … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… insulin . This is because insulin and C-peptide are linked when first made by the pancreas. Insulin helps the body use … blood sugar level in the body. A C-peptide test can be done when it is not clear whether type 1 diabetes or type 2 … insulinoma will have a high level of C-peptide in the blood when they have a high level of insulin. Why It Is Done A …
Medical tests
… levels of both renin and aldosterone are normally present when the body is trying to conserve fluid and salt (sodium). When a tumour that makes aldosterone is present, your … level will be low. Usually a renin activity test is done when the aldosterone level is measured. Why It Is Done An …
Medical tests
… or with a digital mammogram. Cancer is most easily treated when it's discovered in an early stage. Mammograms don't … for breast cancer. A mammogram can seem to detect a cancer, when in fact there's no cancer there. This is called a … It Is Done A mammogram is done to: Look for breast cancer when there are no symptoms. Find breast cancer when there …
