2262 results found
Medical tests
… can attach to normal body tissue and cause damage. A high level of RF can be caused by several autoimmune … and some infections. Sometimes a healthy person can have a high RF level. The amount of RF in blood can be measured in … much light is blocked by the blood sample in the tube. A high level of RF causes the sample to be cloudy, so less …
Health topics
… care provider uses a blood pressure monitor to screen for high blood pressure. A blood pressure cuff is wrapped around … change throughout the day. And sometimes blood pressure is high only because you are seeing the doctor. This is called … blood pressure at home to make sure that it actually is high. You may get an ambulatory blood pressure monitor or a …
Medical tests
… in the body. Find the cause of symptoms from low or high levels of sodium. Check on the progress of diseases of … that may be related to your symptoms and past health. High levels High sodium levels (hypernatremia) can be caused by a …
Medical tests
… the amount of catecholamines in the blood. This causes high blood pressure, excessive sweating, headaches, fast … in the blood can change quickly, so it may be hard to find high values in a single blood sample. But a special … that isn't in the normal range may still be normal for you. High values High levels of catecholamines, vanillylmandelic …
Health topics
… attack and stroke. The benefit is greatest for people at high risk of heart attack and stroke. If you have a low risk … tools are not perfect. They may show that your risk is higher or lower than it really is. But the tools can give … Your doctor is likely to recommend a statin if you are at high risk of heart attack or stroke. For example, you may be …
Medical tests
… D deficiency, or damaged liver cells. If the ALP level is high, more tests may be done to find the cause. The amounts … the blood may be measured and used to determine whether a high level is from the liver or bones. This is called an … that isn't in the normal range may still be normal for you. High values Very high levels of ALP can be caused by liver …
Medical tests
… iron-binding capacity (TIBC), and transferrin saturation. High and low values The values for serum iron, total … or another condition. The values are also used to see if a high amount of iron is caused by hemochromatosis or another … found in red blood cells. The iron levels are usually high. Thalassemia . This is a blood disorder that runs in …
Medical tests
… levels vary throughout the day. They are usually highest in the morning and lowest in the evening. Why It Is Done For high or low levels of testosterone, a testosterone test may … not an indication for testosterone testing. See whether a high level of testosterone is causing a boy younger than age …
Medical tests
… may not be getting the oxygen it needs. If the count is too high (a condition called polycythemia), there's a chance … If the platelet count is normal, the MPV can still be too high or too low. Why It Is Done A CBC may be done as part of … complete blood count (CBC) tests depend on age, sex, how high above sea level you live, and the type of blood sample. …
Health topics
… the risk of ovarian cancer and breast cancer. If you are at high risk, surgery can lower your risk. If you aren't at high risk for cancer, having your ovaries removed isn't … risk of heart disease and osteoporosis . These risks may be higher for people who are younger when their ovaries are …
