327 results found
Medical tests
… bones and teeth, help nerves work, make muscles squeeze together, help blood clot, and help the heart to work. Almost all of the … the level of calcium in the blood is carefully controlled. When blood calcium levels get low ( hypocalcemia ), the …
Medical tests
… ophthalmoscopy, vision testing, and tonometry (to measure pressure in the eye). To look at structures in the back of … home after the test. You also will need to wear sunglasses when you go outside or into a brightly lit room. How It Is … the iris and cornea (hyphema) from a sudden break in a blood vessel or as a result of an injury to the eye. Signs …
Medical tests
… endoscopy may be done to: Find what's causing you to vomit blood. Find the cause of symptoms, such as upper belly pain … GI tract, someone may change your position or apply gentle pressure to your belly. After the examination is done, the … the test. How It Feels You may notice a brief, sharp pain when the intravenous (IV) needle is placed in a vein in your …
Medical tests
… or join with (fertilize) an egg. These tests may be done when you're having trouble getting pregnant (infertility). There are different sperm … or join with (fertilize) an egg. These tests may be done when you're having trouble getting pregnant (infertility). …
Medical tests
… , or the genetic material ( DNA or RNA ) of HIV in the blood or another type of sample. This can show if an HIV … recent infection, find out if an HIV infection is present when antibody test results were uncertain, and screen blood … inform them. They may want to be tested. You may be able to get help from your local health unit to do this. Why It Is …
Medical tests
… of the fluid buildup at the back of the baby's neck. When the test is done, the gel is wiped off your skin. You … a nuchal translucency test, you may have a feeling of pressure in your bladder. For an abdominal ultrasound, the … problem. Ultrasound is a safe way to check for problems and get information about your developing baby. It doesn't use …
Medical tests
… Test Overview A tonometry test measures the pressure inside your eye, which is called intraocular … to see if medicine is keeping your IOP below a certain target pressure set by your doctor. How To Prepare Tell your … usually goes away in 24 hours. Some people become anxious when the tonometer needs to be touched to the eye. In …
Medical tests
… urinary tract infections and not being able to control when you urinate (urinary incontinence). Check for … and how soon to do it. If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it … If the contrast material is injected with too much pressure, there is some chance of damage to the bladder or …
Medical tests
… Help find the cause of symptoms such as rectal bleeding (blood in the stool), belly or pelvic pain, a change in … press firmly on the prostate to feel for problems. This pressure may make you feel the need to urinate. The … a DRE painful. You may feel some pressure or discomfort when your doctor presses on your belly to feel the internal …
Medical tests
… blocked urine flow. A uroflowmetry test is called a pressure flow study when used with a pressure-recording catheter in the bladder. Pressure studies may help distinguish between urinary symptoms caused by blockage …
