329 results found
Medical tests
… glands then make a hormone called cortisol, which helps your body manage stress. Cortisol is needed for life, so its levels in the blood are closely controlled. When cortisol levels rise, ACTH levels normally fall. When … or physical stress (such as recent surgery or severe pain). Diseases such as Addison's disease (failure of the …
Medical tests
… contains very little chloride. People with cystic fibrosis have a high level of chloride in their sweat. During the … test can be done at any age. It may be done as soon as your baby is 10 days old, but it is often done when a baby is 2 to 4 weeks of age. Your child may need more …
Medical tests
… series of pictures of the bones of the skull. Skull X-rays have largely been replaced by computed tomography (CT) scans … by CT scans. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells … screen (digitally). How It Feels You won't feel any pain from the X-ray itself. You may find that the positions …
Medical tests
… (say "kat-uh-KOH-luh-meens") are hormones made mostly by your adrenal glands as a reaction to stress. When you feel stressed, these hormones increase heart rate, … sample. How It Feels This test usually doesn't cause any pain or discomfort. Risks There are no known risks from …
Medical tests
… resonance imaging (MRI) test. Look for the cause of pain in the face. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you …
Medical tests
… injuries or diseases that affect the discs or joints in your spine. These problems may include spinal fractures, … Done A spinal X-ray is done to: Find the cause of ongoing pain, numbness, or weakness. Check for arthritis of the … surgery. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you …
Medical tests
… called plaque in a blood vessel. During a CT angiogram, you lie on a table that passes through a doughnut-shaped … blockage. You will need a separate procedure. But if you have a standard angiogram and the doctor finds a major … or blockage in the coronary arteries. This can occur when there is a buildup of fat ( cholesterol ) and calcium …
Medical tests
… or cloudy), odour, concentration, and acidity (pH) of your urine. It also checks your levels of protein, sugar, … can give information about your health and problems you may have. The kidneys take out waste material, minerals, fluids, … smells like maple syrup can mean maple syrup urine disease, when the body can't break down certain amino acids . …
Medical tests
… abnormal results from a mammogram. Look at the breasts in younger women because their breast tissue is often more … cancer has spread in a breast. Check your breasts if you have silicone breast implants or dense breasts. In these … areas of your breast. How It Feels The gel may feel cold when it is put on your breast. You will feel light pressure …
Medical tests
… that may be present and the sample that will be tested. Your health professional will give you any specific … or other tool. How It Feels The amount of discomfort or pain you feel depends on the method used to collect a sample … Antibody test: Antibodies to a virus are found. But if you have a second antibody test and the results are not higher …
