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Medical tests
… or rhythm, a weak pulse, or a hard blood vessel may be caused by heart disease or another problem. As your heart … pulse while you exercise. How It Feels Checking your pulse should not cause pain. Risks Checking your pulse should not cause problems. Be careful when checking your …
Medical tests
… defects in a fetus . It's done to find birth defects caused by an abnormal number of chromosomes . It also can … that are important to many health problems. Pregnancy: Should I Have Screening Tests for Birth Defects? Why It Is … 18 and Down syndrome (trisomy 21) . Learn more Pregnancy: Should I Have Screening Tests for Birth Defects? How To …
Medical tests
… This organ is called the cochlea. Sound vibrations cause the fluid in the inner ear to move, which bends tiny … Talk to your doctor about whether your child has been or should be tested. To screen children and teens for hearing loss. Hearing should be checked by a doctor at each routine checkup. In …
Medical tests
… group of blood tests (chemistry screen) to help find the cause of many kinds of symptoms, including many kidney … the results of the test. Your doctor will tell you if you should stop taking any of them before the test and how soon … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… aspirin or some other blood thinner, ask your doctor if you should stop taking it before your test. Make sure that you … increase the risk of bleeding. Ask your doctor if you should take a pain reliever, such as ibuprofen (Advil or … This can help reduce any cramping pain that the test can cause. How It Is Done The biopsy can be done in your doctor's …
Medical tests
… a simple hand-held device. If the device is calibrated and used according to the manufacturer's directions, it can … to determine whether a person is legally impaired and should not drive. In Canada, the federal maximum blood … apart. Store the testing device correctly. If the device should be stored in the refrigerator or kept in a cool …
Medical tests
… too high. And if your kidneys aren't working the way they should, the level of uric acid in the urine can get too low. High levels of uric acid can cause crystals to form in joints. This causes a painful … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… can find: A weak lower esophageal sphincter . This may cause reflux. Weak muscle contractions when you swallow. This … to the stomach. Find out if the esophagus is working as it should. Check how the esophagus works before surgery for … carry the device by a strap around your waist or over your shoulder. The probe checks the pH of your esophagus for up …
Medical tests
… During an ear examination, a tool called an otoscope is used to look at the outer ear canal and eardrum. An otoscope … to sit very still during an ear examination. A young child should be lying down with their head turned to the side. Or … can sit with the head tilted slightly toward the opposite shoulder. Your doctor may need to remove earwax in order to …
Medical tests
… for glaucoma . Gonioscopy is done if your doctor thinks you should be checked for glaucoma. Glaucoma is an eye disease that can cause blindness by damaging the optic nerve . If you have … vision may be blurred for several hours after the test. You should not rub your eyes for 20 minutes after the test, or …