261 results found
Medical tests
… allows you to measure your forced expiratory volume at 1 second (FEV1). If you have a lung disease, such as asthma, … in your asthma diary. If you cough or make a mistake during the testing, redo the test. How It Feels Breathing in and out very quickly during these tests may make you feel light-headed or may …
Medical tests
… , too much earwax , or an object like a bean or a bead. During an ear examination, a tool called an otoscope is used … Done An ear examination may be done: As part of a routine physical examination. As part of the process to screen … the eardrum moves when the pressure inside the ear canal changes. It helps the doctor see if there is a problem with …
Medical tests
… diabetes ). The test can be done on its own or as the second test in a two-part screening for pregnant women. Why … can affect test results, you will be asked to sit quietly during the entire test. Do not eat during the test. You may drink water during this time. How …
Medical tests
… and take off any jewellery. You may not smoke or chew gum during the test, since the stomach will respond by making … The technologist will make sure you are comfortable during changes in table position. During the test You will have one … be asked to cough so that the radiologist can see how that changes the barium flow. If you are having an air-contrast …
Medical tests
… Cortisol levels can be affected by many conditions, such as physical or emotional stress, strenuous activity, infection, or injury. Normally, cortisol levels rise during the early morning hours and are highest about 7 a.m. … How To Prepare You may be asked to avoid strenuous physical activity the day before a cortisol test. You may …
Medical tests
… Amniocentesis? Why It Is Done Amniocentesis may be done during your second trimester to find certain genetic conditions as well … to stay overnight in the hospital unless problems occur during the test. You will lie on your back on an examination …
Medical tests
… your knee is inside the strong magnetic field. MRI can find changes in the structure of organs or other tissues. It also … be made. In some cases, a contrast material may be used during the MRI scan to show certain structures more clearly … or repeated stress. Growths, such as tumours, are present. Changes common to arthritis are present. …
Medical tests
… in liquid form) to look at organs or bones in the body. During the test, the tracer is put into a vein (intravenous, … Do not breastfeed your baby for 2 days after this test. During this time, you can give your baby breast milk you … that is hooked to a large scanner, cameras, and a computer. During the test The radioactive tracer is usually given in a …
Medical tests
… breast cancer (BRCA) gene test is a blood test to check for changes (mutations) in genes called BRCA1 and BRCA2. This … help control normal cell growth. Sometimes, people inherit changes in one of these genes. These changes are called mutations. If you inherit a mutation in a …
Medical tests
… cells that are using a lot of energy, such as cancer cells. During the test, the tracer liquid is put into a vein … , Huntington's disease , stroke , and schizophrenia . Find changes in the brain that may cause epilepsy . Evaluate the … , Huntington's disease , stroke , and schizophrenia . Find changes in the brain that may cause epilepsy . Evaluate the …
