321 results found
Medical tests
… are also lost through the skin when you sweat. Most foods have sodium naturally in them or as an ingredient in … including laxatives, aspirin, mouthwash, and toothpaste. Low sodium levels have many causes, such as heart failure, … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… make your BUN level higher. Liver disease or damage can lower your BUN level. A low BUN level can occur normally in … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The … and cause a low BUN value. Women and children may have lower BUN levels than men because of how their bodies …
Medical tests
… called an autoimmune disease . If your immune system makes low levels of antibodies, you may have a greater chance of developing repeated infections. You … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… transducer sends sound waves that echo off your heart and back to the transducer. These echoes are turned into moving … Check for coronary artery disease, which can reduce blood flow to the heart muscle during stress. Look at the heart … 30 to 60 minutes. How It Feels You may have a brief, sharp pain when the intravenous (IV) needle is placed in a vein in …
Medical tests
… Blood vessels. Using MRI to look at blood vessels and the flow of blood through them is called magnetic resonance … will watch you through a window, and you'll be able to talk back and forth. If contrast material is needed, the … can take as long as 2 hours. How It Feels You will not have pain from the magnetic field or radio waves used for the MRI …
Medical tests
… forms of thalassemia , may cause hemoglobin A levels to be low and hemoglobin F levels to be high. Hemoglobin F (fetal … as sickle cell disease , aplastic anemia , and leukemia , have abnormal types of hemoglobin and higher amounts of … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… pregnancy, during breastfeeding, or at times when there are low levels of iron in the body (such as after bleeding). The … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The … capacity (TIBC), and transferrin saturation. High and low values The values for serum iron, total iron-binding …
Medical tests
… substances through the blood. When prealbumin levels are lower than normal, it may be a sign of a poor diet … are working. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The … B12 to use folate. So if vitamin B12 levels are very low, folate can't be used by the cells, and high levels of … Low values Low folate levels can also mean that you have a problem absorbing or using folate, such as a vitamin …
Medical tests
… conditions. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you … the results of the test. Your doctor will tell you if you should stop taking any of them before the test and how soon … ), heart disease, Cushing's disease , or Conn's syndrome . Low values A low level may be caused by: Hyperventilation . …
