329 results found
Medical tests
… into the skin. An intradermal allergy test may be done when a substance does not cause a reaction in the skin prick … or Pharmacia CAP), may be used to provide more information. Your allergy test results may show that allergy treatment is … moulds, dust, feathers, and pet dander. Identify likely food allergens (such as eggs, milk, peanuts, nuts, fish, …
Medical tests
… Overview A dilated eye examination lets your eye doctor see the back of your eye ( retina ). It's … usually part of a regular eye examination. You may also have a vision test and a test for glaucoma. How is a dilated … It takes about 15 to 20 minutes to fully dilate the pupils. When your pupils are dilated, your doctor will shine a …
Medical tests
… drinking breast milk or formula. Babies with PKU need foods low in phenylalanine to prevent severe brain damage. … are tested for PKU right after birth. To have the disease, you must inherit the gene from each parent. The blood sample … A brief pain, like a sting or a pinch, is usually felt when the lancet punctures the skin. Your baby may feel a …
Medical tests
… procedure may also be called a "chest tap." It is normal to have a small amount of fluid in the pleural space. But too … of breath and pain caused by the fluid buildup. Or you may have it done so the doctor can test the fluid to … anesthetic in your chest wall so you won't feel any pain when the longer needle that withdraws the fluid is inserted. …
Medical tests
… Test Overview A tonometry test measures the pressure inside your eye, which is called intraocular pressure (IOP). This … tool that looks like a pen directly on your cornea. The IOP reading shows on a small computer panel. Non-contact … usually goes away in 24 hours. Some people become anxious when the tonometer needs to be touched to the eye. In …
Medical tests
… view of the parts of the eye . During the examination, your doctor can look at the front parts of the eye. These … of your eyes. Before the test, tell your doctor if you have glaucoma or are allergic to eyedrops that dilate or … home after the test. You also will need to wear sunglasses when you go outside or into a brightly lit room. How It Is …
Medical tests
… (arrhythmia), and arthritis . But many people do not have symptoms in the early stages. In men, hereditary … or child—with this disease. This test might be done if you have high iron levels in your blood. This test helps to … 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
… how well the liver and kidneys are working. Find out if your diet contains enough protein. Help find the cause of … well your body is able to fight off infection. See if you have a rare blood disease, such as multiple myeloma or … test takes The test will take a few minutes. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… measures catecholamine levels over 24 hours. How To Prepare You may be asked to avoid certain foods and fluids for 2 to 3 days before having this test, … 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
… that checks for problems with the electrical activity of your heart. An EKG shows the heart's electrical activity as … to control the heartbeat. Check the health of the heart when other diseases or conditions are present. These include … the test and how soon to do it. How It Is Done You may have to remove certain jewellery. You will take your top off …
