ems term #927

laceration - an open injury whose edges may be linear (smooth and regular) or stelate (jagged and irregular); a wound that penetrates the brain.

ems term #929

abrasion - an open injury to the epidermis caused by a scrapong away, rubbing or shearing away of tissue.

ems term #925

hematoma - a closed injury characterized by a mass of blood beneath the epidermis.

ems term #926

crush injury - an open or closed injury in which high-pressure forces cause serious damage to underlying soft tissue with internal bleeding, resulting in possible hemorrhagic shock.

ems term #924

ecchymosis - black and blue discoloration.

ems term #923

contusion - a closed injury to the tissue and blood vessels within the dermis characterized by discoloration, swelling, and pain; a bruise; bruising or swelling of the brain.

ems term #924

closed injury - any injury in which there is no break in the skin.

ems term #897

fragmentation - the breaking up of a bullet into small pieces on impact.

ems term #896

cavitation - a cavity formed by a pressure wave resulting from the kinetic energy of a bullet traveling through body tissue.

ems term #899

drag: the factors that slow a projectile.

ems term #896

trajectory - the path of a projectile during its travel, a trajectory  may be flat or curved. 

ems term #686

kinetic energy - the energy contained by an object in motion.

ems term #385

kinetics - the branch of mechanics dealing with the motions of material bodies.

ems term #884

kinetics of trauma - the science of analyzing mechanism of injury.

ems term #658

syncope: a brief period of unresponsiveness caused by a lack of blood flow to the brain; fainting.

ems term #655

diabetes mellitus - a disease of altered relationships between glucose and insulin

ems term #649

postictal state - the recovery period that follows the clonic phase of a generalized seizure. in a postictal state the patient commonly appears weak, exhausted, and disoriented and progressively improves.

ems term #627

ischemic stroke - a stroke caused by obstruction to a vessel in the brain, calleed a thrombotic stroke if caused by a clot or an embolic stoke if called by plaque or other material carried to the brain.

ems term #624

coma - an unconscious state in which a person does not respond to any stimulus, including pain.

ems term #623

reticular activating system - nerve cells within the brainstem that control consciousness.