2400 results found
Health topics
… see only black, white, and grey. How is it diagnosed? Tests can measure how well you recognize different colours. In one type of test, you look at sets of coloured dots and try to find a … which colours you have trouble with. In another type of test, you arrange coloured chips in order according to how …
Health topics
… Set up the meeting before your video consult Install and test the Zoom app on your device. You can skip this step if … a PC or Mac click or tap join from your browser link to test your audio and video connection From an iOS or Android … and install the Zoom app, then click or tap the Join a Test Meeting link to test your audio and video connection If …
Health topics
… valve stenosis, the valve between your heart and the large blood vessel that carries blood to the body (aorta) is narrow. That forces the heart to pump harder to get enough blood through the valve. The procedure to widen the valve is …
Health topics
… to severe. Hemoglobin Electrophoresis Test Sickle Cell Disease Sickle Cell Test Sickle Cell Trait Current as of: September 8, … to severe. Hemoglobin Electrophoresis Test Sickle Cell Disease Sickle Cell Test Sickle Cell Trait …
Health topics
… learn to process more complex problems and to develop and test theories. They are better able to handle a more … skills improve. These skills include time management, test preparation, and study skills. Written and spoken … learn to process more complex problems and to develop and test theories. They are better able to handle a more …
Health topics
… body. If the diagnosis isn't clear, your doctor may order tests on cells from a blister. If your doctor thinks that … neck, and scalp. Inflammation, and possibly blockage, of blood vessels, which may lead to stroke. Bacterial infection … neck, and scalp. Inflammation, and possibly blockage, of blood vessels, which may lead to stroke. Bacterial infection …
Health topics
… artery disease. Smoking: Causes the platelets in your blood to clump together easily by making your blood cells more "sticky" and more likely to form clots. … spasms in your coronary arteries, which can reduce the blood flow to your heart in a way similar to that of …
Health topics
… may cause injuries to the brain. Decreased or blocked blood flow to the brain. This may occur during a transient … that is caused by infection that has spread throughout the blood and tissues (sepsis). Heart problems, such as a heart … such as low levels of sodium and potassium in the blood. Low blood sugar (hypoglycemia) or high blood sugar …
Health topics
… Low bone density is diagnosed with a bone density test, usually done to see whether you have osteoporosis. The most accurate test of bone density is dual-energy X-ray absorptiometry … and men age 65 and older routinely have a bone density test to screen for osteoporosis. If you are at increased …
Health topics
… sickle cell disease can sometimes have vision problems. Blood cells that change shape, or "sickle," can get trapped in blood vessels, blocking the blood flow. When this blockage occurs in the small blood …
