3218 results found
Medical tests
… tests are done to find certain antibodies that attack red blood cells. Antibodies are proteins made by the immune … cause antibodies to be made. Transfusion reaction Human blood is typed by certain markers (called antigens ) on the surface of red blood cells . If you get a blood transfusion, the transfused …
Medical tests
… ultrasound test uses reflected sound waves to see how blood flows through a blood vessel. It helps doctors assess the blood flow through major arteries and veins, such as those …
Health topics
… Rh sensitization during pregnancy? You may have Rh-negative blood, and your baby may have Rh-positive blood. If the two types of blood mix, your body will make antibodies. This is called Rh …
Health topics
… Summary Get the facts Your options Take insulin to keep blood sugar levels under control. Don't take insulin. Try other methods to keep blood sugar levels under control. Key points to remember The goal in treating type 2 diabetes is to keep blood sugar under control. When you control your blood …
Medical tests
… dye and camera ( fluoroscopy ) to take pictures of the blood flow in the blood vessels of the head and neck . An angiogram of the … the veins or the four arteries (four-vessel study) carrying blood to the brain. During an angiogram, a thin, soft tube …
Medical tests
… Test Overview A reticulocyte count is a blood test that measures how fast red blood cells called reticulocytes are made by the bone marrow and released into the blood. Reticulocytes are in the blood for about 2 days …
Health topics
… Pulmonary embolism is the sudden blockage of a major blood vessel (artery) in the lung, usually by a blood clot . In most cases, the clots are small and aren't … can damage the lung. But if the clot is large and stops blood flow to the lung, it can be deadly. What causes it? …
Health topics
… on whether you have type 1 or type 2 diabetes. A1c blood test. This test shows the average level of blood sugar over the past 2 to 3 months. It helps your doctor see whether blood sugar levels have been staying within your target …
Medical tests
… Overview A glycohemoglobin test, or hemoglobin A1c, is a blood test that checks the amount of sugar (glucose) bound to the hemoglobin in the red blood cells. People who have diabetes or other conditions that increase their blood glucose levels have more glycohemoglobin (sugar bound …
Health topics
… unawareness means not being able to recognize low blood sugar until the symptoms are serious. Most people have symptoms if their blood sugar drops below 4.0 mmol/L. But if you have … may become unconscious before anyone realizes you have low blood sugar. You may have hypoglycemic unawareness if you: …