221 results found
Medical tests
… how brain waves respond to certain things you look at during the test. Why It Is Done The different … done varies. Electroretinography (ERG) You sit or lie down during the test. Eye drops are used to numb the eye. A tiny … dark adaptation. Different wavelengths of light are used during the test to check for problems with the eye's rod and …
Medical tests
… cancer at an early stage. Many times this cancer is found during self-examination as a painless lump or a swollen … for swelling. Self-exam The self-examination is best done during or after a bath or shower—when the scrotum, the skin … is usually normal. There is no pain or discomfort during the examination. Abnormal: A small, hard lump (often …
Medical tests
… You will be given a cloth or paper to cover yourself during the test. You will lie on your back on a table. A … can be viewed from other angles. You need to lie very still during each scan to avoid blurring the pictures. You may be asked to hold your breath briefly during some of the scans. Each scan may take about 60 to 90 …
Medical tests
… or fluids with vanilla. Licorice. Do not use tobacco at all during the 24-hour urine collection. Be sure to keep warm during the 24 hours. Being cold can raise your catecholamine levels. Drink plenty of fluids during the 24 hours to avoid dehydration . Your doctor may …
Medical tests
… your scrotum many times. You will need to lie very still during the ultrasound scan. You may be asked to take a breath and hold it for several seconds during the scan. When the test is finished, the gel is … about 20 minutes. How It Feels Most people don't feel pain during the test. If your scrotum hurts already from an …
Medical tests
… of your eyes so that you will not feel the tonometer during the test. A strip of paper containing a dye … of your eyes so that you will not feel the tonometer during the test. You will stare straight ahead, or sometimes … of your eyes so that you will not feel the tonometer during the test. You may have a scratchy feeling on your …
Medical tests
… C virus is in the blood. Viral load may be measured before, during, and after treatment. Why It Is Done This test is … that you have hepatitis C. If the viral load is checked during treatment, the level should go down. Related … C virus is in the blood. Viral load may be measured before, during, and after treatment. Why It Is Done This test is …
Medical tests
… organs or other structures in the pelvis and lower belly. During the examination, the doctor gently puts a lubricated, … organs, such as the bladder, can sometimes also be felt during a digital rectal examination. Why It Is Done A … growths. How It Feels Men may feel some discomfort or pain during a digital rectal examination (DRE). Your doctor must …
Medical tests
… to determine if cancer is present. Watch prostate cancer during active surveillance or other treatment. If PSA levels … has returned or has spread. How To Prepare Do not ejaculate during the 2 days before your PSA blood test, either during sex or masturbation. Talk to your doctor about any …
Medical tests
… breathing in a saltwater (saline) mist and then coughing. During bronchoscopy , which uses a bronchoscope to look at … are not able to deliver it immediately. Bronchoscopy sample During bronchoscopy, a thin, lighted instrument … If you have general anesthesia, you will feel nothing during the procedure. Risks Home or office sample There are …
