Injury is a mechanical damage of tissues without apparent violation of their anatomic integrity. Injury occurs because of the rapid and immediate action traumatic factor - most of blunt; it is found mainly in the open parts of the body. Injury to internal organs (heart, lungs, kidneys, liver and other), as a rule, is observed in severe injury.
For injury most characteristic changes in vessels - impaired permeability of the walls, accompanied by swelling and often bleeding into surrounding soft tissue bruising, hematoma (see) or in joint cavity (see Hemarthrosis), pleural (see Hemothorax) and others, the Degree of damage to tissue may be different; with heavy bruises along with vascular damage occurs traumatic necrosis of surrounding tissues or tissues may be crushed. In these cases, swelling and other reactive changes joins the demarcation inflammation around hemorrhages and necrotic areas. Different tissues are unequal resistance to injuries, the most sensitive of subcutaneous fatty tissue, organs, muscles; less sensitive - skin, tendon, bone. Multiple bruises often accompanied expressed a common reaction with fever, intoxication, etc.
The diagnosis put on the basis of the history of the establishment of the mechanism of the injury and clinical data - pain, swelling, impaired function, bruise; differential diagnosis is carried out with fractures (especially when injuries periosteum), torn ligaments.
Treatment: rest the injured part of the body; to reduce hemorrhage, edema - cold (an ice pack), cool gadgets, hard bandaging; the strong pain - analgin, promedol. From the 2nd - 3rd day appointed of the heat - alcohol wrap, physiotherapy (UHF and others), then massage the purpose of resorption of haematomas and restore the function of damaged part of the body. The blood accumulated in large quantities in the tissues or in cavities, delete puncture (see)