329 results found
Medical tests
… The barium is often combined with gas-making crystals. Your doctor watches the barium move through your esophagus, stomach, and the first part of the small intestine ( duodenum ) on a video …
Medical tests
… of the waste product creatinine (say "kree-AT-uh-neen") in your blood and urine. These tests tell how well your kidneys are working. Another substance, creatine (say … You will use the container to collect your urine. When you first get up, you empty your bladder. But don't save this …
Medical tests
… in the brain caused by too much CSF. How To Prepare Tell your doctor ALL the medicines and natural health products … you take. Some may increase the risk of problems during your test. Your doctor will tell you if you should stop … puncture itself will show more red blood cells in the first sample collected than in later samples. Cloudy CSF may …
Medical tests
… Test Overview A tonometry test measures the pressure inside your eye, which is called intraocular pressure (IOP). This … eye. Tonometry measures IOP by recording the resistance of your cornea to pressure (indentation). Eyedrops to numb the surface of your eye are used with most of the following methods. …
Medical tests
… Overview A ventriculogram is a test that shows images of your heart. The images show how well your heart is pumping. The pictures let your doctor check the health of the lower chambers of your …
Medical tests
… It Feels Risks Results Test Overview Your esophagus is the tube that connects your throat to your stomach. It moves food and liquid down to the stomach. …
Medical tests
… (also called an echo) uses sound waves to make an image of your heart. A device called a transducer sends sound waves that echo off your heart and back to the transducer. These echoes are turned into moving pictures of your heart that can be seen on a video screen. In a …
Medical tests
… Overview A medicine blood level test measures how much of your medicine is in your blood. Your doctor checks it to make sure that you are taking a …
Medical tests
… (also called an echo) uses sound waves to make an image of your heart. A device called a transducer is moved across your chest. It looks like a microphone. The transducer sends sound waves that echo off your heart and back to the transducer. These echoes are …
Medical tests
… Information Test Overview Colposcopy lets a doctor look at your vulva , vagina , and cervix. If the doctor sees a … a Pap or human papillomavirus (HPV) test. During the test, your doctor puts a lubricated tool into your vagina. This is called a speculum. It opens the vagina …