329 results found
Medical tests
… sinus X-ray series) looks at the air-filled cavities (sinuses) around the nose and eyes. A facial X-ray helps find … or sinus X-ray may be done to: Find problems of the sinuses of the face and nose, such as sinusitis or abnormal … the bones around the eye (orbital cavity). Check the sinuses before surgery. Check for metal objects around the eyes …
Medical tests
… Overview Hemochromatosis gene (HFE) testing is a blood test used to check for hereditary hemochromatosis, an inherited disorder that causes the body to absorb too much iron. The iron then builds … other organs. In its early stages, hemochromatosis can cause joint and belly pain, weakness, lack of energy, and …
Medical tests
… increase the amount of catecholamines in the blood. This causes high blood pressure, excessive sweating, headaches, … eat or drink anything for 10 hours before this test. Do not use tobacco for 4 hours before the blood test. Your doctor … 2 weeks before the test. Having a blood sample taken can cause stress. This may increase catecholamine levels. Be sure …
Medical tests
… hormone levels. DHEA-S might be tested to: Look for the cause of facial hair, a deep voice, or other signs of too much … Congenital adrenal hyperplasia. This is a condition that causes the adrenal glands to make too much male sex hormone. … of the test. The test is usually done in the morning, because that is when the amount of DHEA-S is at its highest. …
Medical tests
… Test Overview A tilt table test is used to check people who have fainted or who often feel light-headed. The results help your doctor know the cause of your fainting or feeling light-headed. The test uses a special table that slowly tilts you to an upright …
Medical tests
… A padded brace, foam pads, a headband, or sandbags may be used to hold your head in place while the pictures are … from radiation, including the low levels of radiation used for this test. But the chance of damage from the X-rays … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means …
Medical tests
… makes ALT levels go up. Most increases in ALT levels are caused by liver damage. The ALT test is often done along with … Identify liver disease, such as cirrhosis and hepatitis, caused by alcohol, drugs, or viruses. Help check for liver damage. Find out whether jaundice …
Medical tests
… increases. High levels of uric acid in the blood can cause solid crystals to form within joints. This causes a painful condition called gout . If gout remains … deposits called tophi . High levels of uric acid may also cause kidney stones or kidney failure . Why It Is Done A uric …
Medical tests
… defects in a fetus . It's done to find birth defects caused by an abnormal number of chromosomes . It also can … Tests for Birth Defects? Why It Is Done The test is used to look for birth defects caused by too many or too few chromosomes, such as trisomy 18 …
Medical tests
… ALP than the other organs or the bones. Some conditions cause large amounts of ALP in the blood. These conditions … the ALP level is high, more tests may be done to find the cause. The amounts of different types of ALP in the blood may be measured and used to determine whether a high level is from the liver or …
