329 results found
Medical tests
… are most useful for detecting the presence of parasites, because they examine a larger sample of blood. (Often there … depending on the: Species of Plasmodium present. Malaria caused by P. falciparum is more serious than other types and … are most useful for detecting the presence of parasites, because they examine a larger sample of blood. (Often there …
Medical tests
… The values are also used to see if a high amount of iron is caused by hemochromatosis or another condition. Other … saturation levels include: Hemolytic anemia . This causes a low amount of oxygen-carrying hemoglobin found in … Iron deficiency anemia . This occurs when low iron levels cause a low amount of oxygen-carrying hemoglobin in red …
Medical tests
… hormone is produced by the baby and the placenta. This test can't show for sure that your baby has a birth defect. You … the baby doesn't have the problem. A false-positive result can cause stress and lead to tests you don't need (such as an …
Medical tests
… "hears" them. Sound waves enter the ear through the ear canal (external ear). Then they strike the eardrum (tympanic membrane). The eardrum separates the ear canal and the middle ear. The eardrum vibrates, and the … hearing. This organ is called the cochlea. Sound vibrations cause the fluid in the inner ear to move, which bends tiny …
Medical tests
… about your heart's electrical activity. Your doctor can tell what kind of heart rhythm problems you have and … hours before the test. If your doctor told you to take your medicines on the day of the procedure, take them with only a … heart and its rhythm problems. This is called "mapping," because the pictures serve as maps that show the doctor …
Medical tests
… Lung Cancer Screening: Low-Dose Spiral CT Scan On this page: Test Overview Why It Is Done How To … test takes a few minutes. How It Feels The test will not cause pain. The table you lie on may feel hard, and the room …
Medical tests
… find out what's causing your sleep problems. Sleep studies can also find out if you have a problem with your stages of … studies usually are done in a sleep lab. But they also can be done with portable equipment you use at home. Common … that your sleep may not be the same as it is at home because of the equipment. Try to relax and make yourself as …
Medical tests
… hormone levels. DHEA-S might be tested to: Look for the cause of facial hair, a deep voice, or other signs of too … blood drawn. In most cases, you are allowed to take your medicines with water the morning of the test. The test is … blood drawn. In most cases, you are allowed to take your medicines with water the morning of the test. The test is …
Medical tests
… bacteria or fungus are resistant to certain antibiotics because of differences in their genetic material (genes). Infections caused by resistant bacteria or fungi are not cured by … bacteria or fungus are resistant to certain antibiotics because of differences in their genetic material (genes). …
Medical tests
… or an infection. They also may be used to find out if a cancer has spread to the bone marrow. The procedure can also … aspiration, biopsy, or both are done to: Look for the cause of problems with red blood cells , white blood cells , … analysis. How To Prepare Tell your doctor ALL the medicines and natural health products you take. Some may …