289 results found
Medical tests
… It controls the amount of calcium and phosphorus in the blood. During a thyroid and parathyroid ultrasound, a small … head and around your neck. You will lie on your back on a high table with your neck stretched out. You'll have a … head and around your neck. You will lie on your back on a high table with your neck stretched out. You'll have a …
Medical tests
… ear pain. Removal of fluid from behind the eardrum relieves pressure in the ear, easing pain. This may work better than … ear pain. Removal of fluid from behind the eardrum relieves pressure in the ear, easing pain. This may work better than …
Medical tests
… is injected into a vein in your arm. It moves through your bloodstream and into certain tissues. These tissues include … The pictures show the areas where the amount of tracer is higher than normal. These areas are called hot spots. It … amounts of gallium are seen. Abnormal: An abnormally high amount of gallium (hot spot) is present in one or more …
Medical tests
… cardiac calcium scoring. The coronary arteries supply blood to the heart muscle. Normally, the coronary arteries … test results. This means that the test shows a high chance of plaque in the arteries of the heart when it … score. The score can range from 0 to more than 400. The higher your score, the greater your chance of having a heart …
Medical tests
… a feeling of a lump in the throat, or mucus with blood in it. Check injuries to the throat, narrowing of the … bright light hooked to it. He or she may ask you to make a high-pitched "e-e-e-e" sound or a low-pitched "a-a-a-a" … at the back of the throat ( epiglottitis ), you may have a higher chance of problems. If complete blockage of the …
Medical tests
… The vibration speed of a sound wave determines how high or low a sound is (pitch). The height of the sound wave … than in the other ear. You can only hear certain sounds at high decibel levels. You can hear sounds, but you can't … to hear it. Frequency, or pitch (whether a sound is low or high), is measured in vibrations per second, or hertz (Hz). …
Medical tests
… the large intestine. Check on belly symptoms such as pain, blood in stool, or altered bowel habits. Check on other … is a more serious, but very rare, complication. Under the pressure from the barium or air, a weakened section of the … the large intestine. Check on belly symptoms such as pain, blood in stool, or altered bowel habits. Check on other …
Medical tests
… makes it easier to find problems with increased or abnormal blood flow, such as with some types of cancer or areas of … and valuable test for looking at the breast. But it has a high rate of false-positive results. And it's not available … and valuable test for looking at the breast. But it has a high rate of false-positive results. And it's not available …
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
… 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 …