Reed-Sternberg cell
A type of cell that appears in patients with Hodgkin’s disease. The number of these cells increases as the disease advances.
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- Referral
The recommendation of a medical or paramedical professional. If you get a referral to ophthalmology, for example, you are being sent to the eye doctor. In HMOs and other managed care schemes, a referral is usually necessary to see any practitioner or specialist other than your primary care physician (PCP), if you want the service […]
- Reflex
An involuntary reaction. For example, the corneal reflex is the blink that occurs upon irritation of the eye.
- Reflex sympathetic dystrophy (RSD)
A condition characterized by diffuse pain, swelling and limitation of movement that follows an injury such as a fracture in an arm or leg. The symptoms are way out of proportion to the injury and may linger long after the injury has healed. Suspicion of the condition is critical as the condition is best diagnosed […]
- Reflex sympathetic dystrophy syndrome (RSDS)
RSDS is a condition that features a group of typical symptoms, including pain (often “burning” type), tenderness, and swelling of an extremity associated with varying degrees of sweating, warmth and/or coolness, flushing, discoloration, and shiny skin.
- Reflex, Babinski
A reflex used to determine adequacy of the higher (central) nervous system. The Babinski reflex is obtained by stimulating the outside of the sole of the foot, causing extension of the big toe while fanning the other toes. The examiner begins the stimulation at the heel and goes forward to the base of the toes. […]