329 results found
Medical tests
… each parent. The blood sample for PKU is usually taken from your baby's heel (called a heel stick). The test is done in … to use phenylalanine in their body. If this test shows that your baby has a phenylalanine problem, the doctor will do further testing to check whether your baby has PKU. It's important for your baby to have this …
Medical tests
… undetectable. This means there is very little virus in your blood. Why It Is Done A viral load test is done to watch for changes in an HIV infection. Your doctor uses it to see how well your treatment is working. This information helps guide your …
Medical tests
… This protein measures general levels of inflammation in your body. The hs-CRP can be used to find the risk for heart … may mean a higher-than-normal risk of heart problems. If your risk for heart problems is high, your doctor may recommend lifestyles changes or medicine to …
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
… the genitals, which are the penis, scrotum, and testicles. Your doctor will feel the organs and check them for lumps, … do anything special to prepare for an examination done by your doctor. But for comfort, you may want to empty your bladder ahead of time. You will be asked to undress and …
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
… the toilet. Don't save this urine. This marks the start of your 24-hour period. For the next 24 hours, collect all your urine. Your doctor or lab will give you a large container to store …
Medical tests
… gland is a butterfly-shaped gland that lies in front of your windpipe (trachea), just below your voice box (larynx). The thyroid gland uses iodine from … How To Prepare If you are taking thyroid medicines, tell your doctor when you took your last dose. You may need to …
Medical tests
… For an MRI test, you are placed inside the machine so that your shoulder is inside the strong magnetic field. MRI can … The contrast material may be put in a vein ( IV ) in your arm or directly into your shoulder joint. Why It Is Done Magnetic resonance …
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 …
