- - blast i. tearing of lung tissue or rupture of any tissue or organ without external i., as by the force of an explosion.- brachial plexus i. damage to the brachial plexus related to delivery; associated with excessive lateral stretching of the head, typically in cases of shoulder dystocia or breech deliveries. SEE ALSO: brachial birth palsy.- current of i. See current of i..- degloving i. avulsion of the skin of a portion of the body (most commonly on the extremities) in which the part is skeletonized by removal of most or all of the skin and subcutaneous tissue.- flexion-extension i. forceful application of a forward and backward movement of the unsupported head that may produce an i. to the cervical spine or the brain.- hyperextension-hyperflexion i. violence to the body causing the unsupported head to move rapidly backward and forward resulting in hyperextension and hyperflexion of the neck; does not imply any specific resultant trauma or pathology.- open head i. a head i. in which there is a loss of continuity of scalp or mucous membranes; the term is sometimes used to indicate a communication between the exterior and the intracranial cavity. SEE ALSO: penetrating wound.- pneumatic tire i. separation of the skin and subcutaneous tissue from the underlying fascia, classically occurring when an extremity is crushed and rolled over by the tire of a vehicle; however, it may be incurred through other mechanisms that produce shear forces; similar to a degloving i., except that the skin and subcutaneous tissue layers remain in continuity.- reperfusion i. myocardial impairment, usually with arrhythmia, following the opening of arterial blockage and considered to be due to oxygen-derived free radicals.- steering wheel i. trauma to the anterior chest wall caused by impact with the steering wheel during an automobile accident; can include fractured sternum and ribs, cardiac contusion, tear of the aorta or other great vessels, as well as lung injuries.
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* * *in·ju·ry (inґjə-re) [L. injuria] harm or hurt; usually applied to damage inflicted on the body by an external force. Called also trauma and wound.
Medical dictionary. 2011.