329 results found
Medical tests
… under a microscope. The sinus cavity is then usually flushed with saline solution. Why It Is Done Needle puncture … has repeated sinus infections. More accurate information about which organism is causing the infection may help the … has repeated sinus infections. More accurate information about which organism is causing the infection may help the …
Medical tests
… bladder is already full, using the catheter is not needed. About 250 mL (1 cup) of a fluid is put into the bladder through the catheter. The … pad may be worn to collect any urine released while you go about your daily activities. Why It Is Done The bladder …
Medical tests
… use eyedrops to numb the surface of your eyes. It takes about 15 to 20 minutes to fully dilate the pupils. When your … use eyedrops to numb the surface of your eyes. It takes about 15 to 20 minutes to fully dilate the pupils. When your …
Medical tests
… for the procedure Follow your doctor's instructions exactly about when to stop eating and drinking before the test. This may be about 8 hours. Be sure to tell your doctor about any … heartbeat (ejection fraction) is normal. There is no excess fluid in the sac surrounding the heart, and the lining …
Medical tests
Medical tests
Medical tests
Medical tests
Medical tests
… the tests. Follow any instructions your doctor gives you about what to do before your test. For visual evoked response (VER): Follow your doctor's instructions about eating to avoid low blood sugar. Avoid caffeine within … the eye's rod and cone cells. The total examination takes about an hour. Electro-oculography (EOG) During the test: …
Medical tests
… Depending on what is being looked at, the test will take about 15 to 60 minutes. How It Feels This test usually … normal in size, shape, and structure. No growths, tumours, fluid, or other problems are seen. No signs of disease, … Depending on what is being looked at, the test will take about 15 to 60 minutes. How It Feels This test usually …
