329 results found
Medical tests
… instead. This is called an autoimmune reaction. People who have one autoimmune disease may get another one. Tell your doctor if you have any new or worse symptoms. These … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… in the blood and fluid levels in the body, which affects your blood pressure. A renin test is often done at the same … as an aldosterone test. In some people, it may be normal to have high blood levels of both renin and aldosterone. If … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… of ferritin in the blood shows how much iron is stored in your body. Why It Is Done A ferritin blood test is done to: … is working. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… (EKG or ECG) records the electrical activity of your heart while you do your usual activities. Ambulatory means that you are … heartbeats that occur during these activities. Many people have irregular heartbeats ( arrhythmias ) from time to time. …
Medical tests
… checks for antibodies to the Toxoplasma gondii parasite . Your body's natural defence system ( immune system ) will make these antibodies only if you have been infected by this tiny parasite. The amount and … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… is done to: Find out whether the chromosomes of an adult have a change that can be passed on to a child. Find out … be done when a newborn's sex is not clear. How To Prepare You do not need to do anything before you have this test. … may feel nothing at all from the needle, or you may feel a quick sting or pinch. Risks Blood sample from a vein There …
Medical tests
… from) the mother and half from the father. Identical twins have the same pattern, but everyone else has their own … diseases. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… (arrhythmia), and arthritis . But many people do not have symptoms in the early stages. In men, hereditary … or child—with this disease. This test might be done if you have high iron levels in your blood. This test helps to … feel nothing at all from the needle. Or you might feel a quick sting or pinch. If you get a cheek test, you will feel …
Medical tests
… different types of antibodies to help determine whether you were infected recently or sometime in the past. Why It … mono. The EBV antibody test can help determine whether you have ever been infected with the virus and whether the … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… (ANA) test measures the amount and pattern of antibodies in your blood that work against your own body (autoimmune … syndrome . How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
