194 results found
Medical tests
… amount of light blocked by the blood sample is measured. As levels of RF increase, more clumping occurs. This causes a … range may still be normal for you. High values High RF levels may be caused by: Rheumatoid arthritis . Other … amount of light blocked by the blood sample is measured. As levels of RF increase, more clumping occurs. This causes a …
Medical tests
… test, unless your doctor tells you to. How It Is Done Blood levels of growth hormone (GH) can change quickly, so more … on different days. Insulin-like growth factor 1 (IGF-1) levels change more slowly, and it may be the first test … gland (adenoma). Insulin-like growth factor 1 (IGF-1) levels should also be high. High GH levels may also be …
Medical tests
… at low temperatures. Healthy people generally have low levels of cold agglutinins in their blood. But lymphoma or … the level of cold agglutinins to rise. Higher-than-normal levels of cold agglutinins generally do not cause serious problems. Sometimes, high levels of cold agglutinins can cause blood to clump in blood …
Medical tests
… gland . Cortisol is made by the adrenal glands. Cortisol levels get higher when the pituitary gland releases … ( metabolism ). It helps the body manage stress. Cortisol levels can be affected by many things, such as physical or … activity, infection, or injury. Normally, cortisol levels rise during the early morning hours and are highest …
Medical tests
… during breastfeeding, or at times when there are low levels of iron in the body (such as after bleeding). The … that affect iron, TIBC, and transferrin saturation levels include: Hemolytic anemia . This causes a low amount … hemoglobin found in red blood cells. The iron levels are usually high. Thalassemia . This is a blood …
Medical tests
… bruise may form at the site. Some people's blood glucose levels drop very low toward the end of the test. But some people feel like their sugar levels are low, when their levels actually are not low. Symptoms of low blood glucose …
Medical tests
… fluid to the level of protein in the blood. High protein levels in the fluid may mean cancer, tuberculosis , nephrotic syndrome , or pancreatitis . Low protein levels in the fluid may mean cirrhosis or clots in veins of … organisms are present. Lactate dehydrogenase (LDH). High levels of the enzyme LDH may mean infection or cancer is …
Medical tests
… not improving with treatment. Look for changes in magnesium levels caused by medicines, such as diuretics . See if … who have heart problems need extra magnesium. Low magnesium levels can increase the chances of life-threatening heart rhythm problems. Measure levels when magnesium is being given for medical treatment. …
Medical tests
… drivers. Most provinces have legal consequences starting at levels as low as 0.05. Legal limits are set lower for … drivers. Most provinces have legal consequences starting at levels as low as 0.05. Legal limits are set lower for … in the drinks. Other things that affect blood alcohol levels include: How fast you drink. As you increase the …
Medical tests
… staph ( Staphylococcus ). The culture should not show any harmful bacteria or fungi. Normal culture results are negative. Abnormal: Harmful bacteria or fungi are found. The most common harmful bacteria in a sputum culture are those that can …
