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Concussion the spinal cord, as the brain, may fatal without showing scarcely a mark violence externally or internally. As the cord well protected from injury, must extremely rare have concussion the cord without some actual lesion its substance.

As concussion the cord not often the result of the injuries which are treating, but paper writing services online rather railroad injuries and the like, will not considered at length in this connection. As a result a blow or fall the spine or communicated hemorrhage may occur in the substance the write my annotated bibliography cord or around between or outside its membranes. In very rare cases such a hemorrhage may occur spontaneousl dissertation data analysis as the result disease, which the writer has seen one case. It may associated with concussion essays writing help or laceration the cord. It may destroy life directly extension or indirectly leading a spreading inflammation. Hemorrhage in or about the cord causes a gradual compression the cord, and in cases fracture the spine often adds the compression due to the displacement the bones. In hemorrhage into the substance the cord paralysis comes early or immediately and may complete while symptoms irritation fail. The latter sj mptoms are most marked in meningeal hemorrhage in which paralysis delayed in appearance and generally incomplete. The products an inflammation due an injury may compress the spinal cord in the same way that hemorrhage does. Wounds and injuries the varieties are considering, affecting the spine and spinal cord, are generally accidental, less often homicidal, and almost never suicidal. Wounds the thorax caused incising, puncturing, or blunt instruments.

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These wounds are most often punctured wounds contused wounds are common and incised wounds are not rare.

They are perhaps most often homicidal in origin or at least inflicted another, and the accidental origin these wounds probably the least common. Incised or punctured non-penetrating wounds the thoracic wall are rarely grave. Bleeding, as a rule, not serious, though may quite free. Such wounds may accompanied emphysema, though not penetrating, owing the movements the chest and a valve-like action the edges of the wound.

Contused wounds the thorax are more dangerous, especially if the violence was great, owing the complicating fracture the ribs, rupture the thoracic viscera, etc. Fracture the ribs a common result contusions the chest.

It more dangerous when due a direct blow or injury, as then the splintering occurs internally and may wound the lungs, heart, or large vessels, while with fracture from indirect violence, from compression the chest, the splintering the ribs occurs externally. Fracture the upper ribs requires more force than that required fracture the lower ones, and consequently the former the more dangerous. The diagnosis fracture the ribs generally quite easy means crepitus felt or heard, false motion, local tenderness, etc. Fracture the sternum may proofreading an essay serious if depressed account the wounding the viscera behind Devergie cites such a case where the depressed portion the sternum produced a transverse non-penetrating wound the heart about an inch in length, which had caused death in thirteen days. Simple fracture the sternum without displacement the fragments rarely serious unless injury of the thoracic viscera produced the same violence.

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