291 results found
Medical tests
… vegetarians are at increased risk for developing anemia and should take a supplement containing vitamin B12. Vitamin B12 … Wrap an elastic band around your upper arm to stop the flow of blood. This makes the veins below the band larger so it is easier to put a needle into the …
Medical tests
… are problems with the urinary system and to see how urine flows out of the bladder. This test, also called a VCUG, uses … A VCUG can show if urine from the bladder is flowing back up toward the kidneys. This is called vesicoureteral … takes 30 to 45 minutes. How It Feels This test isn't painful, and you won't feel anything when the X-rays are …
Medical tests
… make your BUN level higher. Liver disease or damage can lower your BUN level. A low BUN level can occur normally in the second or third … 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
… for the body's needs. But if your potassium levels get low, it can take some time for your body to start holding on … is still passed in the urine, so you may end up with very low levels of potassium in your body, which can be … 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
… her menstrual cycle . After menopause , it drops to a very low but constant level. Estriol levels are most often … that are important to many health problems. Pregnancy: Should I Have Screening Tests for Birth Defects? Why It Is … than one fetus, such as twins or triplets. Early puberty. Low values Low values may be caused by: Problems with …
Medical tests
… including laxatives, aspirin, mouthwash, and toothpaste. Low sodium levels have many causes, such as heart failure, … minerals in the body. Find the cause of symptoms from low or high levels of sodium. Check on the progress 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
… called an autoimmune disease . If your immune system makes low levels of antibodies, you may have a greater chance of … You can be born with an immune system that makes low levels of antibodies, or your system may make low levels … 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
… substances through the blood. When prealbumin levels are lower than normal, it may be a sign of a poor diet … test to be sure that a poor diet is the reason for your low prealbumin levels. Why It Is Done A prealbumin blood … 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
… may be done as part of a group of blood tests (chemistry screen) to help find the cause of many kinds of … 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 . …
