329 results found
Medical tests
… Check for too much or too little iron in the blood. See if your diet is providing enough iron. Find out if treatment to keep the right amount of iron in your blood is working. How To Prepare Do not eat or drink … need to avoid iron supplements for 12 to 24 hours before your test. Your doctor will give you specific instructions. …
Medical tests
… of TB protein ( antigens ) under the top layer of skin on your inner forearm. If you have ever been exposed to the TB bacteria ( Mycobacterium tuberculosis ), your skin will react to the antigens by developing a firm … of PPD in a shot is put under the top layer of skin on your forearm. This is a good test for finding a TB …
Medical tests
… usually affected by the amount of folate and folic acid in your diet each day. Folate deficiency can result in a type … hours before the test. If you take any medicines regularly, your doctor will talk to you about how to take these before … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… to make magnified images, or pictures, of the back of your eye . This includes the retina. It's the part of the eye that's most responsible for your vision. Common imaging methods include: Colour and … black-and-white photography. A camera magnifies the back of your eye and makes pictures. Optical coherence tomography, …
Medical tests
… time tests, no matter the testing method. It lets your doctor understand results in the same way even when … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … the health professional will take a sample of blood from your fingertip instead of your vein. For a finger stick …
Medical tests
… for at least 3 days after you finish treatment. footnote 1 Your sex partner or partners must also be treated for … back to you or to others. If you have gonorrhea, all of your sex partners from the last 60 days should be tested and … you make wise health decisions or take action to improve your health. Decision Points focus on key medical care …
Medical tests
… genes called BRCA1 and BRCA2. This test can help you know your chance of getting breast cancer and ovarian cancer . A … cancers. You can inherit the gene changes from either your mother's or father's side of the family. BRCA gene changes aren't common. Your doctor may talk to you about testing based on your …
Medical tests
… or can be injected into a vein. It travels through your body, giving off radiation signals. The camera "sees" … medicines or supplements for a while before the test. Tell your doctor about all of the medicines and natural health products you are taking. Your doctor may ask you to eat a low-iodine diet for several …
Medical tests
… How To Prepare Do not use mouthwash before you collect your sputum sample. Some types of mouthwash can kill bacteria and could affect your results. If bronchoscopy will be used to collect your sputum sample, your doctor will tell you how soon …
Medical tests
… Dental X-rays are scheduled when you need them based on your age, risk for disease, and signs of disease. Why It Is … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Dental X-rays are taken in the dentist's office. Your dentist will tell you if you need to take out any …