329 results found
Medical tests
… If you have a joint problem, you may have more fluid in your joint and your joint may become swollen, stiff, and painful. A sample of joint fluid can be taken from any joint in your body. The joint fluid is then analyzed in a lab to look …
Medical tests
… test can be done at any age. It may be done as soon as your baby is 10 days old, but it is often done when a baby is 2 to 4 weeks of age. Your child may need more than one sweat test to confirm a … creams or lotions on the skin for 24 hours before the test. Your child may eat, drink, and exercise normally before the …
Medical tests
… in 10 to 15 minutes. Why It Is Done It may be done so your doctor can find out right away whether you have strep … have this test. How It Is Done You will be asked to tilt your head back and open your mouth as wide as possible. Your doctor will press your …
Medical tests
… Overview A chest X-ray is a picture of the chest that shows your heart, lungs, airway, blood vessels, and lymph nodes . A chest X-ray also shows the bones of your spine and chest, including your breastbone , your ribs, your collarbone , and the upper …
Medical tests
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … tests. If you are having follow-up aldosterone blood tests, your doctor may give you the following instructions: Eat … A low-salt diet can also increase aldosterone levels. Tell your doctor if you are on a low-salt food plan. Do not eat …
Medical tests
… Test Overview An extremity X-ray is a picture of your hand, wrist, arm, foot, ankle, knee, hip, or leg. It is … are done to: Find the cause of pain in an extremity. See if your bone is fractured or your joint is dislocated. See if fluid has built up in the …
Medical tests
… can cause an infection. A sample of cells from the back of your throat is added to a substance that promotes the growth … there's nothing you have to do before this test, unless your doctor tells you to. Tell your doctor if you have recently taken any antibiotics. How …
Medical tests
… Home urine tests for ovulation are available. Check your response to medicines given to stimulate ovulation. How To Prepare Many medicines can change your results. Some examples are letrozole, testosterone, and … estrogen or progesterone or both for up to 4 weeks before your luteinizing hormone (LH) test. Make sure your doctor …
Medical tests
… dexamethasone pill. The next morning, the cortisol level in your blood will be measured. If your cortisol level stays high, Cushing's syndrome may be … to stop taking some medicines for 24 to 48 hours before your blood is drawn. How It Is Done The night before the …
Medical tests
… get a blood transfusion, the transfused blood must match your type. That means the transfused blood must have the same antigens as your red blood cells. If you get a transfusion of blood with antigens different from yours (incompatible blood), your immune system destroys the …
