238 results found
Medical tests
… may be needed when a person has repeated sinus infections. More accurate information about which organism is causing … may be needed when a person has repeated sinus infections. More accurate information about which organism is causing …
Medical tests
… . Dehydration generally causes BUN levels to rise more than creatinine levels. This causes a high … for 2 days (48 hours) before having the tests. Not eat more than 225 grams (8 oz) of meat, especially beef, or … or tea. These are diuretics that cause your body to pass more urine than normal. If you are asked to collect urine, …
Medical tests
… may be used during the MRI scan to show certain structures more clearly in the pictures. The contrast material may be … for looking at structures and organs inside the body, it is more expensive than other imaging methods and may not be … hand. The material may be given over 1 to 2 minutes. Then more MRI scans are done. How long the test takes The test …
Medical tests
… over your pelvic area to protect it from radiation. Two or more pictures of the affected limb are usually taken. X-ray … you need to hold are uncomfortable or painful. This is more likely if you have an injury. Risks There is always a … over your pelvic area to protect it from radiation. Two or more pictures of the affected limb are usually taken. X-ray …
Medical tests
… the needle site with alcohol. Put the needle into the vein. More than one needle stick may be needed. Attach a tube to … 3%–6% High values A high reticulocyte count may mean more red blood cells are being made by the bone marrow. This … the needle site with alcohol. Put the needle into the vein. More than one needle stick may be needed. Attach a tube to …
Medical tests
… of hemoglobin found in small amounts in adults. There are more than 350 types of abnormal hemoglobin. footnote 1 The … of hemoglobin A and a high level of hemoglobin F may mean a more severe form of thalassemia. High levels of hemoglobin F … of hemoglobin found in small amounts in adults. There are more than 350 types of abnormal hemoglobin. footnote 1 The …
Medical tests
… newborns for sickle cell disease. Talk with your doctor for more information. Why It Is Done A sickle cell test is done … Abnormal hemoglobin is present. In sickle cell trait, more than half of the hemoglobin is normal (hemoglobin A) … newborns for sickle cell disease. Talk with your doctor for more information. Why It Is Done A sickle cell test is done …
Medical tests
… that causes the fast destruction of red blood cells, need more folate to make more red blood cells . People who have certain conditions, … that causes the fast destruction of red blood cells, need more folate to make more red blood cells . People who have …
Medical tests
… to look at your airway. The flexible bronchoscope is used more often than the rigid bronchoscope. That's because it usually does not require general anesthesia , is more comfortable for the person, and offers a better view of … mouth (or nose) and advances it to the vocal cords. Then more anesthetic is sprayed through the bronchoscope to numb …
Medical tests
… on the gauge. This is your peak flow. Repeat these steps 2 more times. Write down the highest of the three numbers in … with poorly controlled asthma may have peak flows that vary more widely throughout the day. Asthma: … on the gauge. This is your peak flow. Repeat these steps 2 more times. Write down the highest of the three numbers in …