329 results found
Medical tests
… you produce over a 24-hour period. You start collecting your urine in the morning. When you first get up, empty your bladder, but don't save this urine. Write down the time that you urinated to mark the start of your 24-hour collection period. For the next 24 hours, …
Medical tests
… from metabolism . The blood carries carbon dioxide to your lungs, where it is exhaled. More than 90% of it in your blood exists in the form of bicarbonate (HCO3). The … carbon dioxide gas (CO2) or carbonic acid (H2CO3). Your kidneys and lungs balance the levels of carbon dioxide, …
Medical tests
… a dye called contrast material is injected into a vein in your arm. A series of X-ray pictures is then taken at timed … have an enema the morning of the test) to make sure that your bowels are empty. If you are breastfeeding, you may … The contrast material used in this test can get into your breast milk. Before the IVP, tell your doctor if: You …
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
… 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
… cancer is normally one of the lymph nodes under the arm. Your doctor injects a blue dye or special tracer substance … and which lymph node is most likely to have cancer cells. Your doctor can see the dye or tracer with a special device. … about when to stop eating and drinking. If you don't, your test may be cancelled. If your doctor told you to take …
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
… Test Overview A swallowing study is a test that shows what your throat and esophagus do while you swallow. The test … foods coated with barium. The barium shows the movements of your throat and esophagus on the X-ray while you swallow. Why It Is Done The test helps your doctor see why you're having trouble swallowing. After …
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 …
