302 results found
Medical tests
… (ALT) test measures the amount of this enzyme in the blood. ALT is found mainly in the liver, but also in smaller … (SGPT). ALT is measured to see if the liver is damaged or diseased. Low levels of ALT are normally found in the blood. But when the liver is damaged or diseased, it …
Medical tests
… exposed to radiation, there's a small chance of damage to cells or tissue. That's the case even with the low-level … Abnormal: The tracer may not be removed normally from the blood by the liver. This may be a sign of liver disease. The gallbladder does not contract or empty …
Medical tests
… Test Overview Partial thromboplastin time (PTT) is a blood test that measures the time it takes your blood to clot. A PTT test can be used to check for bleeding … bleeding disorders, such as hemophilia or von Willebrand's disease . A longer-than-normal PTT or APTT can be caused by …
Medical tests
… An ammonia test measures the amount of ammonia in the blood. Most ammonia in the body forms when protein is broken … , which is then eliminated in urine. Ammonia levels in the blood rise when the liver is not able to convert ammonia to … present. Check the success of treatment for severe liver disease, such as cirrhosis. Help identify a childhood …
Medical tests
… of chemicals dissolved in the liquid part (serum) of the blood. Chemicals that affect serum osmolality include … proteins, and sugar (glucose). This test is done on a blood sample taken from a vein. A substance called … (methanol), and antifreeze (ethylene glycol). A rare disease, such as diabetes insipidus, that causes the kidneys …
Medical tests
… is injected into a vein in your arm. It moves through your bloodstream and into certain tissues. These tissues include … and areas that are inflamed or have a buildup of white blood cells . After the tracer builds up in your body, a special …
Medical tests
… teeth line up. They also show bone loss when severe gum disease or a dental infection is present. Periapical. These … X-rays. Risks There is always a slight chance of damage to cells or tissue from radiation, including the low levels of … X-rays. Risks There is always a slight chance of damage to cells or tissue from radiation, including the low levels of …
Medical tests
… Test Overview This test is done by measuring blood pressure at the ankle and in the arm while a person is … Some people also do an exercise test. In this case, the blood pressure measurements are repeated at both sites after … is used to predict the severity of peripheral arterial disease (PAD). A slight drop in your ABI with exercise means …
Medical tests
… strenuous exercise for at least 8 hours before your first blood sample is taken. (You can drink water before the test.) How It Is Done A blood sample is taken when you arrive for the test. This is … cortisol in the blood ( Cushing's syndrome ). Inherited diseases, such as hemochromatosis . Pheochromocytoma . Low …
Medical tests
… dye and camera ( fluoroscopy ) to take pictures of the blood flow in the blood vessels of the lung . During an angiogram, a thin tube … conditions. There is always a small chance of damage to cells or tissue from being exposed to any radiation, even …
