A measurement of the variability of red blood cell size. Higher numbers indicate greater variation in size. The normal range for the red cell distribution width (RDW) is 11 – 15. The RDW is a standard part of the complete blood count.
- Red cells
Short for red blood cells, the oxygen/carbon dioxide carrying cells in blood. Also known acronymically as RBC’s, red corpuscles or erythrocytes (literally, red hollow vessels).
- Red corpuscles
Red corpuscles are cells that carry oxygen in the blood. They are also called red blood cells or “RBCs.”
- Red Devils
Street name for dextromethorphan (DXM).
- Red ear syndrome
An unusual type of head pain in which the ear becomes red and burning. Attacks may be brought on by triggers such as touching the ear, heat, chewing, drinking, coughing, sneezing, and neck movement. May be associated with migraine, irritation of the third cervical root, temporomandibular joint dysfunction, or thalamic syndrome. It may also occur […]
- Red eye
Also called conjunctivitis. Redness or irritation of the conjunctivae, the membranes on the inner part of the eyelids and the membranes covering the whites of the eyes. These membranes react to a wide range of bacteria, viruses, allergy-provoking agents, irritants and toxic agents. Viral and bacterial forms of conjunctivitis are common in childhood. The leading […]