Health Articles
Acid-fast bacillus (AFB) is a type of bacteria that causes tuberculosis and other types of mycobacterial infections, such as leprosy (Hansen's disease). AFB tests are usually ordered for people with symptoms of active tuberculosis, commonly known as TB. TB is a serious bacterial infection caused by Mycobacterium tuberculosis
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Pneumonia is inflamed or swollen lung tissue due to infection with a germ. Mycoplasma pneumonia is caused by the bacteria Mycoplasma pneumoniae (M pneumoniae). Causes Mycoplasma pneumonia usually affects people younger than 40. People who live or work in crowded areas such as schools and
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The myoglobin blood test measures the level of the protein myoglobin in the blood. Myoglobin can also be measured with a urine test. Normal Results The normal range is 25 to 72 ng/mL (1.28 to 3.67 nmol/L). Note: Normal value ranges may vary slightly among different laboratories. Some
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The myoglobin urine test is done to detect the presence of myoglobin in urine. Myoglobin can also be measured with a blood test. Normal Results A normal urine sample does not have myoglobin. A normal result is sometimes reported as negative. Normal value ranges may vary slightly among different laboratories
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A fecal occult blood test (FOBT) looks at a sample of your stool (poop) to check for blood. Occult blood means that you can't see it with the naked eye. And fecal means that it is in your stool. Blood in your stool means there is bleeding in the digestive tract. The bleeding may be caused by
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Osmolality tests measure the amount of certain substances in blood, urine, or stool. These include glucose (sugar), urea (a waste product made in the liver), and several electrolytes, such as sodium, potassium, and chloride. Electrolytes are electrically charged minerals. They help control the amount of fluids in your body
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Helicobacter pylori (H. pylori) is a type of bacteria that causes infection in the stomach. It is the main cause of peptic ulcers, and it can also cause gastritis and stomach cancer. About 30 to 40% of people in the United States get an H. pylori infection. Most people get it as a child. H. pylori usually does not cause symptoms
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An estrogen test measures the level of estrogens usually in a sample of your blood, but sometimes in urine (pee). Estrogens are a group of hormones that play a key role in female reproductive health, including puberty, menstruation, pregnancy, and menopause. Estrogens are also important for heart, bone, and brain health in males and females
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The TBG blood test measures the level of a protein that moves thyroid hormone throughout your body. This protein is called thyroxine-binding globulin (TBG). Normal Results Normal range is 13 to 39 micrograms per deciliter (mcg/dL), or 0.13 to 0.39 milligrams per liter (mg/L). Normal
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A CSF glucose test measures the amount of sugar (glucose) in the cerebrospinal fluid (CSF). CSF is a clear fluid that flows in the space surrounding the spinal cord and brain. Normal Results The glucose level in the CSF should be 50 to 80 mg/100 mL or 2.77 to 4.44 mmol/L (or greater than 2/3 of the blood sugar level)
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