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277 results found

Aspartate Aminotransferase AST Test

… test for liver damage. Why It Is Done This test is done to: Check for liver damage. Help look for liver disease, such as … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …

Parathyroid Hormone PTH Test

… , to find the cause of abnormal calcium levels, or to check the status of chronic kidney disease. PTH controls … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …

Electrophysiology Tests for the Eyes

… with vision (occipital cortex). Electrophysiology tests check to see how well this visual nerve pathway sends the … repeated patterns (checkerboard or dotted) that appear in quick flashes on a screen. The size or intensity of the … repeated patterns (checkerboard or dotted) that appear in quick flashes on a screen. The size or intensity of the …

Blood Type Test

… are done before a person gets a blood transfusion and to check a pregnant woman's blood type. Human blood is typed by … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …

First-Trimester Screening for Birth Defects

Human Chorionic Gonadotropin HCG Test

… The human chorionic gonadotropin (hCG) test is done to check for the hormone hCG in blood or urine. Some hCG tests … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Urine test In most cases, there is no … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Urine test In most cases, there is no …

Alpha-Fetoprotein AFP Test

… Test Overview An alpha-fetoprotein (AFP) blood test checks the level of AFP in a pregnant woman's blood. AFP is … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …

CD4+ Count Test

… Pneumocystis pneumonia. How often your CD4+ count is checked depends on your treatment, your health, and your … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …

Brain Natriuretic Peptide BNP Test

… blood level of BNP. Why It Is Done The BNP test is used to: Check to see if you have heart failure. A doctor may think … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …

Electronystagmography ENG

… involuntary rapid eye movements called nystagmus . It also checks the muscles that control eye movements. ENG checks … or back problem to get worse during the test because of the quick body movements that are done. Results Normal Test … or back problem to get worse during the test because of the quick body movements that are done. Results Normal Test …