An ear infection is an inflammation of the middle ear, usually caused by bacteria, that occurs when fluid builds up behind the eardrum. Anyone can get an ear infection, but children get them more often than adults. Five out of six children will have at least one ear infection by their third birthday.
Red blood cell distribution width is a way for scientists to measure red blood cell volume and size. When red blood cells are larger than normal, that could indicate a problem. The reference range for RDW is as follows: RDW-SD: 29-46 fL.
Red cell distribution width (RDW for short) is a blood test used to measure the difference in size and volume of your red blood cells. Doctors use the RDW blood test as part of a complete blood test to help diagnose certain conditions that can affect your health.