A wound is a break in the continuity of tissues of the body and may be either internal or external. Acute wounds usually result from external physical forces, from a child who falls off his bike and scrapes his knee, to more serious accidents. They can also occur as the result of an underlying medical problem (for instance, diabetes) or from medical treatment (like surgery). The most common types of acute wounds include abrasions, incisions, lacerations, punctures and avulsions. Acute wounds are initially treated with standard first aid. Immediately, there is a need to stop bleeding by applying direct pressure to the wound and elevating the affected limb. Easily visualized foreign objects should be removed from small, open wounds, when possible. Because open wounds are subject to contamination and infection, they should be gently cleaned and a sterile dressing applied. Tetanus toxoid should be given to those persons who have never been immunized or who have not had a...