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Traumatic Brain Injury l: Introduction01:28

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DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...
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Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...
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A Multi-Modal Approach to Assessing Recovery in Youth Athletes Following Concussion
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Predicting prolonged recovery after concussion

Jack W Tsao1, Briana N Perry2, Carrie H Kennedy2

  • 1From US Navy Bureau of Medicine and Surgery (J.W.T.), Falls Church, VA; Uniformed Services University of the Health Sciences (J.W.T.); Walter Reed National Military Medical Center (J.W.T., B.N.P.), Bethesda, MD; Marine Corps Embassy Security Group (C.H.K.), Quantico, VA; and the Department of Neurology (R.B.), University of Rochester School of Medicine, NY. jack.tsao@med.navy.mil.

Neurology
|November 9, 2014
PubMed
Summary

No abstract available in PubMed .

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