329 results found
Medical tests
… . Sickle cell disease is an inherited blood disease that causes red blood cells to be deformed ( sickle-shaped ). The red blood cells deform because they contain an abnormal type of hemoglobin , called … by the body faster than normal blood cells. This causes anemia . Also, sickled cells can get trapped in blood …
Medical tests
… liver is not able to convert ammonia to urea. This may be caused by cirrhosis or severe hepatitis . For this test, a … If the sample is taken from a vein A health professional uses a needle to take a blood sample, usually from the arm. … is more painful than collecting it from a vein. That's because the arteries are deeper and are protected by nerves. …
Medical tests
… that indicate mononucleosis (mono), which is usually caused by the Epstein-Barr virus (EBV) . The antibodies are … check for antibodies to EBV when a person has a disease or uses medicine that causes problems with the immune system. How To Prepare In …
Medical tests
… and passes it on to her growing baby (fetus), it can cause blindness and brain damage in the fetus. You can be … doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. … normal. Your lab report should show the range that your lab uses for each test. The normal range is just a guide. Your …
Medical tests
… your HIV infection. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of …
Medical tests
… Overview Blood and urine are often tested to find the cause of health problems. But other body fluids also can be … around them—move smoothly. Sometimes a health problem can cause too much fluid to build up in part of the body. The … taking some fluid from the body. In most cases, a needle is used to take out some fluid. Genital tests are done by …
Medical tests
… held in place with elastic belts on your belly. One sensor uses reflected sound waves (ultrasound) to keep track of … time after 20 weeks of pregnancy. Internal monitoring is used only when you are in labour and your amniotic sac has … in caesarean deliveries. It may also be linked to the use of a vacuum or forceps during delivery. footnote 1 There …
Medical tests
… the urine can get too low. High levels of uric acid can cause crystals to form in joints. This causes a painful problem called gout . If gout isn't treated, … deposits called tophi . High uric acid levels can also cause kidney stones . Why It Is Done This test is done to: See …
Medical tests
… results. Risks There are some things to consider when you use an at-home genetic test. The test may not be as accurate … one you can get through your doctor. And the results can cause unnecessary worry. Test results may be hard to … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means …
Medical tests
… mouthwash, and toothpaste. Low sodium levels have many causes, such as heart failure, malnutrition, and diarrhea. … mix of water and certain minerals in the body. Find the cause of symptoms from low or high levels of sodium. Check on … doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
