325 results found
Medical tests
… minerals (such as calcium ) in your bones. This information helps your doctor estimate the strength of your bones. We … . So the thicker your bones are, the longer it takes to get osteoporosis. Although osteoporosis can occur in men, it … . Early menopause . Low levels of vitamin D. Heavy alcohol use. Z-score Your bone density value may also be …
Medical tests
… tests measure electrical activity that occurs in your eye when you look at something. Electrophysiology includes … tests that measure how well the retina works. It can help check for diseases of the retina. The tests may also … be used to check for problems such as: Retina damage from drugs or other substances. Loss of central or peripheral …
Medical tests
… and brain help you keep your balance and position (such as when you change from lying down to standing). ENG is done to … you are taking. Sedatives and tranquilizers . Drinks with alcohol. Foods that contain caffeine, such as coffee, tea, … eardrum, because water used in the caloric test can get into the middle ear and lead to infection. The caloric …
Medical tests
… testing can usually detect antibodies about a week after a person is infected. EBV antibody test. This can detect different types of antibodies to help determine whether you were infected recently or … has been recent. EBV antibody testing is usually done when you have symptoms of infectious mononucleosis and a …
Medical tests
… into mature red blood cells. The reticulocyte count rises when there is a lot of blood loss or in certain diseases in … to put a needle into the vein. Clean the needle site with alcohol. Put the needle into the vein. More than one needle … from having a blood sample taken from a vein. You may get a small bruise at the site. You can lower the chance of …
Medical tests
… your test results to adjust your dose. You may need testing when you take medicines such as: Cyclosporine and tacrolimus, which help control the immune system. Digoxin, which helps the … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… blood or urine. LH is produced by the pituitary gland . LH helps regulate the menstrual cycle and egg production ( … and follicle-stimulating hormone levels rise and fall together during the monthly cycle. LH also stimulates the … puberty (also called precocious puberty). Puberty is early when it starts in females younger than age 8 and in males …
Medical tests
… to see if medicine is keeping your IOP below a certain target pressure set by your doctor. How To Prepare Tell your … usually goes away in 24 hours. Some people become anxious when the tonometer needs to be touched to the eye. In … the test. Results Normal eye pressure is different for each person and is usually higher just after you wake up. The …
Medical tests
… and the level of insulin in the blood. It is useful for a person who has diabetes to have information about the … or erythropoietin (ESA) medicine. The A1c test can also help your doctor see how big your risk is of developing … and leg or foot numbness. Keeping your A1c level in your target range can lower your chance for problems. Why It Is Done …
Medical tests
… the catheter site starts to heal. Health Tools Health Tools help you make wise health decisions or take action to … arterial disease ) in people who have severe leg pain when walking. Check how bad atherosclerosis is in the … and pain medicine will make it unsafe for you to drive or get home on your own. Understand exactly what procedure is …
