329 results found
Medical tests
… lab will give you specific instructions on how to prepare your hair. Hair preparation and the part of your body from which the hair is taken varies. In general, … taken from a specific part of the body, such as from the back of the scalp by the neck or from the pubic area. Hair …
Medical tests
… made by the body to fight the virus. They will be in your blood if you have a hepatitis A infection now or have … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… each parent. The blood sample for PKU is usually taken from your baby's heel (called a heel stick). The test is done in … A brief pain, like a sting or a pinch, is usually felt when the lancet punctures the skin. Your baby may feel a … 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
… Test Overview A ketone test checks for ketones in your blood or urine. Ketones are substances that are made when the body breaks down fat for energy. Normally, your body gets the energy it needs from carbohydrate in your diet. But …
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 … 5 to 10 minutes. How It Feels The electrodes may feel cool when they are put on your chest. If you have a lot of hair …
Medical tests
… or EP study, is a test to see if there is a problem with your heartbeat (heart rhythm) and to find out how to fix it. … for the procedure Follow the instructions exactly about when to stop eating and drinking. This may be a few hours … a sip of water. Follow your doctor's instructions about when to bathe or shower before your procedure. Do not apply …
Medical tests
… body makes against HCV. These proteins will be present in your blood if you have a hepatitis C infection now or have … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… Overview A transesophageal echocardiogram is a test to help your doctor look at the inside of your heart. A small device … goes down. The transducer is at the tip of the tube. It gets close to your heart to make clear pictures. The doctor … procedure Follow your doctor's instructions exactly about when to stop eating and drinking before the test. This may …
Medical tests
… meal high in phosphorus, having high levels of vitamin D in your body, or having an overactive parathyroid gland . Some … must collect all the urine you produce in a 24-hour period. When you first get up in the morning, urinate into the … must collect all the urine you produce in a 24-hour period. When you first get up in the morning, urinate into the …
Medical tests
… Test Overview A swallowing study is a test that shows what your throat and esophagus do while you swallow. The test … X-rays in real time (fluoroscopy) and records what happens when you swallow. While you swallow, the doctor and speech … Risks The barium in the food isn't harmful. Some people gag when they drink the barium fluid. In rare cases, a person …
