Category: C

  • Cookbook medicine

    The use of algorithms (in place of individualized care) in medicine; the reliance by practitioners on protocol and rules rather than on a comprehensive, individual approach to the medical needs of a patient.  

  • Cycling mechanism

    The component of a ventilator that ends or begins the inspiratory phase of mechanical ventilation of the lungs.  

  • Countercurrent mechanism

    Mechanism used by the kidneys, making it possible to excrete excess solutes in the urine with little loss of water from the body.  

  • Cross matching of blood

    Technique and procedure for determining the1 immunologic and genetic characteristics of the patient’s blood so that appropriate blood may be used for transfusion.  

  • Carotid sinus massage

    Applying pressure to and rubbing the carotid artery in an attempt to slow a supraventricular tachycardia (SVT). This is one of the maneuvers sometimes used prior to using drug therapy for SVT.  

  • Costal margin

    The lower (abdominal) border of the front of the rib cage formed by the costal cartilages of ribs 7 to 10.  

  • Cephalic malpresentation

    A head presentation in which the presenting part is the face, brow, or chin.  

  • Classification of malocclusion

    The designation by Edward H. Angle of the types of malocclusion based on the relative positions of the first molar in the two arches when in occlusion: Class I — normal anteroposterior relationship but with crowding and rotated teeth. Class II — the lower arch is distal to the upper arch on one or both…

  • Cryptic malaria

    A case of malaria for which the source of exposure cannot be found.  

  • Cerebral malaria

    Falciparum malaria in which the brain is affected. This fulminant disease often produces coma, shock, or sudden death. Cerebral malaria, a life-threatening complication of malaria transmitted by mosquitoes, specifically targets the brain and induces a state of unconsciousness.