Category: S

  • Shockable rhythm

    In emergency cardiac care, any of the following cardiac rhythm disturbances: ventricular fibrillation, pulseless ventricular tachycardia or some poorly tolerated supraventricular tachycardias (e.g., some instances of rapid atrial fibrillation, atrial flutter, or AV nodal re-entrant tachycardia). By contrast, asystole, pulseless electrical activity, heart blocks, and the bradycardias are not shockable. Defibrillation or cardioversion of these…

  • Surgical shock

    Shock following operations and including traumatic shock. A highly critical state characterized by the total failure of bodily functions, typically arising from severe bleeding, extensive burns or scalds, or significant crush injuries.  

  • Shinrin-yoku

    In traditional Chinese medicine, walking and bathing in the forest to promote good health and prevent the effects of aging. The air and aromas of the forest are also believed to be therapeutic.  

  • Shiner

    A slang term for a black eye, a dark or purplish hue to the skin seen just beneath the eyes. Black eyes may be seen in some people with nasal allergies or after facial injuries.  

  • Saber shin

    A condition seen in congenital syphilis in which the anterior edge of the tibia is extremely sharp.  

  • Shim

    In magnetic resonance imaging, to improve the homogeneity of the main magnetic field.  

  • Shigella sonnei

    A species that is a frequent cause of bacillary dysentery.  

  • Shigella flexneri

    A species that is a frequent cause of acute diarrhea in humans.  

  • Shigella boydii

    A species that causes acute diarrhea in humans.  

  • Shift work

    A staffing arrangement in which some employees work during the day and others in the evening or at night. Shift work is a common method of scheduling used in many industries to maximize productivity over a 24-hr day and in health care, where patients needs may arise at any time of the day or night.…