329 results found
Medical tests
… is a blood test that measures a substance that is released when a blood clot breaks up. Doctors order the d-dimer test, … is working. Why It Is Done Doctors use the d-dimer test when a person might have a dangerous blood-clotting problem. … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… system attacks and destroys the body's normal tissues. When a person has an autoimmune disease, the immune system … own cells as though they were foreign substances, often causing them to be damaged or destroyed. Rheumatoid arthritis … are in the blood in higher amounts than normal. Sometimes ANA test results can be positive when a person is …
Medical tests
… ( RNA ) of HIV in the blood. Viral load is first measured when you are diagnosed with HIV infection. This first … the amount of the virus is too low for the test to detect. When the virus is undetectable, you cannot pass HIV to other … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… It Feels Risks Results Test Overview When your doctor checks your pelvic organs, it's called a … and location. The uterus can be moved slightly without causing pain. The vulva, vagina, and cervix look normal with … and location. The uterus can be moved slightly without causing pain. The vulva, vagina, and cervix look normal with …
Medical tests
… This gas has no colour, odour, or taste, so you can't tell when you are breathing it. The test measures the amount of … carbon monoxide may build up in an enclosed space. When you inhale carbon monoxide , it replaces the oxygen … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… to help determine whether you were infected recently or sometime in the past. Why It Is Done The rapid mono test is done … has been recent. EBV antibody testing is usually done when you have symptoms of infectious mononucleosis and a … testing may also be done to check for antibodies to EBV when a person has a disease or uses medicine that causes …
Medical tests
… is called a transfusion reaction, and it occurs immediately when incompatible blood is transfused. A transfusion … than A, B, and Rh) that occur on red blood cells can sometimes also cause problems. So they are also checked for a … even more important for pregnant women. A problem can occur when a woman who has Rh-negative blood becomes pregnant with …
Medical tests
… of the fluid buildup at the back of the baby's neck. When the test is done, the gel is wiped off your skin. You … bladder. For an abdominal ultrasound, the gel may feel cool when it is first put on your belly. You'll feel a light … For a transvaginal ultrasound, you may feel some pressure when the transducer is in your vagina. Risks There are no …
Medical tests
… Test Overview Celiac disease is a problem that happens when gluten in food causes your immune system to attack the … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… for other infections ( opportunistic infections ). Decide when to start treatment to prevent opportunistic infections, … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
