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Medical tests
… the ulnar artery. A procedure called the Allen test can be used to find out if blood flow to your hand is normal. This … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of …
Medical tests
… But an untreated infection may spread to the kidneys and cause a more serious problem. If you use a home test kit, make sure that your doctor knows about … It Is Done Check the expiration date on the package. Do not use a test kit after its expiration date. The chemicals in …
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
… 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 …