Category: R

  • Risk-taker

    An individual who willfully exposes himself or herself to activities that others regard as hazardous.  

  • Risk ratio

    The probability of the occurrence of a disease in a group that has been exposed to some environmental, medicinal, microbial, or toxic influence, relative to its probability in a randomly selected population.  

  • Risk perception

    Concern about the probability of succumbing to a potential illness.  

  • Risk for posttrauma syndrome

    A risk for sustained maladaptive response to a traumatic, overwhelming event. It is a nursing diagnosis accepted at the NANDA 13th Conference (1998).  

  • Risk-benefit analysis

    Examination of the potential positive and negative results of undertaking a specific therapeutic course of action. For example, a man with a slowly growing, localized prostate cancer might want to know whether it is better to undergo surgery (and risk urinary incontinence and erectile dysfunction) or to manage his disease conservatively (and risk the spread…

  • Rippling muscle disease

    A rare autosomal dominant muscle disease whose symptoms include spontaneous muscle contraction when muscles are stimulated by stretching, percussion, or squeezing. Affected patients are usually recognized during childhood. They may demonstrate weakness of facial muscles, frequent falls, or difficulty walking on their heels or toes as a result of calf muscle weakness.  

  • Ring removal from swollen finger

    A technique for the removal of a ring from an injured or swollen finger. One method is described here: One end of a length of string is passed under the ring. The ring is pushed as far from the swollen area toward the hand as possible; the string is wrapped on the side of the…

  • Ring

    Any round area, organ, or band around a circular opening.  

  • Rigid spine syndrome

    A rare form of muscular dystrophy in which the disease is limited to the paraspinal muscles of the neck and back. Unlike other forms of muscular dystrophy, the weakness and stiffness characteristic of this condition are not progressive.  

  • Right-handedness

    The condition of greater adeptness in using the right hand. This characteristic is found in about 93% of the population.