329 results found
Medical tests
… measures the amount of a type of sugar, called glucose, in your blood. Glucose comes from carbohydrate foods . It is … of energy used by the body. Insulin is a hormone that helps your body's cells use the glucose. Insulin is produced in … when the amount of glucose in the blood rises. Normally, your blood glucose levels increase slightly after you eat. …
Medical tests
… for the proteins troponin I (TnI) and troponin T (TnT). If your heart muscle is injured, such as from a heart attack , … Cardiac enzyme studies must always be compared with your symptoms, your physical examination findings, and other test results. …
Medical tests
… diseases measure the amount of certain antibodies in your blood. Your body makes antibodies to attack and destroy substances … in autoimmune diseases, the antibodies attack and destroy your body's tissues. This can lead to diseases such as …
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
… 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 …
