329 results found
Medical tests
… page: Test Overview Test Overview Radioactive tracers are used in imaging tests that help find problems inside the … the benefits of the test. Most of the tracer will leave your body through your urine or stool within a day. So be sure to flush the …
Medical tests
… A cystoscopy is a procedure that lets a doctor look inside your bladder and urethra. The urethra is the tube that … urine from the bladder to outside the body. The doctor uses a thin, lighted tool called a cystoscope. With this … are in a clinic and you are awake, you may get gel to numb your urethra. This makes the procedure more comfortable. …
Medical tests
… Test Overview A home lung function test uses a peak flow meter or a home spirometer to monitor and … a day-to-day basis. A peak flow meter allows you to measure your peak expiratory flow . A home spirometer allows you to measure your forced expiratory volume at 1 second (FEV1). If you …
Medical tests
… may be done. These tests look for possible problems with your baby. The tests may be called first-trimester … combined screening. The screening tests show the chance of your baby having certain birth defects such as Down syndrome … by the placenta . In some areas, other blood tests may be used. Nuchal translucency test. This test uses ultrasound to …
Medical tests
… a dye called contrast material is injected into a vein in your arm. A series of X-ray pictures is then taken at timed … such as kidney stones , tumours, or infection. It is also used to look for problems with the structure of the urinary … have an enema the morning of the test) to make sure that your bowels are empty. If you are breastfeeding, you may …
Medical tests
… Overview Magnetic resonance imaging (MRI) is a test that uses a magnetic field and pulses of radio wave energy to … tomography (CT) scan . For an MRI of the head, you lie with your head inside a special machine (scanner) that has a … there's nothing you have to do before this test, unless your doctor tells you to. Tell your doctor if you get …
Medical tests
… A cardiac perfusion scan measures the amount of blood in your heart muscle at rest and after it has been stressed. It … set of pictures will be made when you are at rest and after your heart has been stressed, either by exercise or after … It Is Done A cardiac perfusion scan is done to: Find the cause of unexplained chest pain or pressure. Find the cause of …
Medical tests
… generally found in amounts equal to insulin . This is because insulin and C-peptide are linked when first made by the … the cause of low blood sugar (hypoglycemia). How To Prepare Your doctor will give you instructions about eating and … used to treat type 2 diabetes can change the test results. Your doctor may ask you to stop these medicines before your …
Medical tests
… Test Overview A salivary gland scan uses a special camera and a tracer (radioactive chemical) to take pictures of the salivary glands . This can help your doctor find the cause of dry mouth ( xerostomia ) or … gland scan, the tracer liquid is put into a vein ( IV) in your arm. The tracer moves through your blood and into the …
Medical tests
… to find germs (such as bacteria or a fungus ) that can cause an infection. A sample of sputum is added to a substance … 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 …
