Category: R

  • Replacement of knee

    Orthopedic implantation of a prosthetic knee joint, particularly useful in treating patients with severe disabling arthritis of the knee.  

  • Refractive keratoplasty

    Treatment of myopia or hyperopia by removing a portion of the cornea, freezing it in order to reshape it surgically to correct refractive error, and then replacing it after it has thawed.  

  • Retention jaundice

    Jaundice resulting from the inability of liver cells to remove bile pigment from circulation.  

  • Rapid sequence intubation

    An airway control technique that uses powerful sedatives and paralytic drugs to quickly gain control of the airway, e.g., in life-threatening emergencies.  

  • True intersex

    An individual whose genetic sex may be either male or female and whose sexual characteristics are of both sexes.  

  • Respiratory insufficiency

    Inadequate oxygen intake or carbon dioxide removal associated with abnormal breathing and signs and symptoms of distress.  

  • Renal insufficiency

    A reduced capacity of the kidney to remove waste products from the blood. It is preferentially known as “chronic kidney disease.” It is defined as >30 mg of urinary albumin excretion per gram of urinary creatinine, or a glomerular filtration rate of < 60mL/min/1.73m2.  

  • Risk for perioperative positioning injury

    At risk for inadvertent anatomical and physical changes as a result of posture or equipment used during an invasive/surgical procedure.  

  • Risk for injury

    A state in which the person has the potential for physical harm as a result of environmental hazards and/or impairments in his adaptive and defensive resources.  

  • Rectal injection

    An instillation (i.e., not an injection) into the rectum; an enema.