329 results found
Medical tests
… loss of consciousness or dementia . Help find what is causing a change in consciousness . Find out if a person who is in a coma is brain-dead. Study sleep disorders, such as narcolepsy . Watch brain activity while a … 3 minutes. You may be asked to look at a bright, flashing light called a strobe. You may be asked to go to sleep. If …
Medical tests
… greater than 7.0 is called basic (alkaline). So blood is slightly basic. Bicarbonate (HCO3). Bicarbonate is a chemical … if you are getting the right amount of oxygen when you are using oxygen in the hospital. Measure the acid-base level in … failure , kidney failure , uncontrolled diabetes , sleep disorders, or severe infections or who have had a drug …
Medical tests
… serious brain injury. You have a history of substance use disorder that may have affected your brain. You have been … brain damage. You have attention deficit hyperactivity disorder (ADHD) or problems in school. Your doctor wants to … tasks. You may be taking some of the tests on a computer, using pencil and paper, or using other objects. Here are …
Medical tests
… D. This type of hemoglobin is present in some sickle cell disorders. Hemoglobin S and hemoglobin C are the most common … How To Prepare Tell your doctor if you are getting iron therapy for iron deficiency anemia . How It Is Done A health … Medical Tests: Questions to Ask the Doctor Sickle Cell Disorders Citations Fischbach FT, Dunning MB III, …
Medical tests
… . Help determine brain death. Find out what's causing seizures, including for epilepsy . Find poor blood … Enlarged left ventricle or other heart chamber disorder is seen. Ventricular septal defects are seen. Brain … your metabolism. You recently had surgery, a biopsy, chemotherapy, or radiation therapy. Current as of: …
Medical tests
… conditions, such as anemia , infection, and many other disorders. A CBC test usually includes: White blood cell … attack and destroy the bacteria, virus, or other organism causing it. White blood cells are bigger than red blood cells … Conditions that can lower WBC values include chemotherapy and reactions to other medicines, aplastic anemia , …
Medical tests
… The lack of some clotting factors can cause bleeding disorders such as hemophilia . Check for conditions that … needed to clot blood. This can be caused by bleeding disorders, such as hemophilia or von Willebrand's disease . … in veins and arteries. The PTT can get longer when you are using heparin, so your PTT value needs to be closely …
Medical tests
… response while you look at different patterns or flashes of light. An ERG test can check for diseases and problems of … retina problems, such as vitamin A deficiency or metabolic disorders. A multifocal ERG (mfERG) tests the electrical … retina problems, such as vitamin A deficiency or metabolic disorders. A multifocal ERG (mfERG) tests the electrical …
Medical tests
… may be caused by liver disease ( hepatitis ), blood disorders ( hemolytic anemia ), or blockage of the tubes … treatment. These babies may need treatment with special lights, called phototherapy. In rare cases, blood transfusions may be needed. …
Medical tests
… Or you can test for ketones anywhere you may be by using home blood or urine tests. Why It Is Done A blood test … or high-fat diet. Are starving or have an eating disorder, including disorders that result in poor nutrition such as anorexia …