Category: C
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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.
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Cycling mechanism
The component of a ventilator that ends or begins the inspiratory phase of mechanical ventilation of the lungs.
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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.
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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.
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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.
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Costal margin
The lower (abdominal) border of the front of the rib cage formed by the costal cartilages of ribs 7 to 10.
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Cephalic malpresentation
A head presentation in which the presenting part is the face, brow, or chin.
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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…
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Cryptic malaria
A case of malaria for which the source of exposure cannot be found.
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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.