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Secondary brain injury occurs gradually and may involve an array of cellular processes. [1] [2] Secondary injury, which is not caused by mechanical damage, can result from the primary injury or be independent of it. [3] The fact that people sometimes deteriorate after brain injury was originally taken to mean that secondary injury was occurring ...
Immediate disconnection of axons may be observed in severe brain injury, but the major damage of DAI is delayed secondary axon disconnections, slowly developed over an extended time course. [2] Tracts of axons, which appear white due to myelination, are referred to as white matter. Lesions in both grey and white matter are found in postmortem ...
Primary brain injury (the damage that occurs at the moment of trauma when tissues and blood vessels are stretched, compressed, and torn) is not adequate to explain this deterioration; rather, it is caused by secondary injury, a complex set of cellular processes and biochemical cascades that occur in the minutes to days following the trauma. [73]
Secondary Traumatic Stress (STS) impacts many individuals in the mental health field; as of 2013, the prevalence rates for STS amongst different professions is as follows: 15.2% among social workers, 16.3% in oncology staff, 19% in substance abuse counselors, 32.8% in emergency nurses, 34% in child protective services workers, and 39% in juvenile justice education workers. [2]
Focal and diffuse brain injury are ways to classify brain injury: focal injury occurs in a specific location, while diffuse injury occurs over a more widespread area. It is common for both focal and diffuse damage to occur as a result of the same event; many traumatic brain injuries have aspects of both focal and diffuse injury. [ 1 ]
A blast injury is a complex type of physical trauma resulting from direct or indirect exposure to an explosion. [1] Blast injuries occur with the detonation of high-order explosives as well as the deflagration of low order explosives. These injuries are compounded when the explosion occurs in a confined space.
The Colts have had the chance to create openings for Nick Cross but the athletic safety is averaging less than two defensive snaps per game.
Loss of consciousness during the second injury is not necessary for SIS to occur. [8] [9] Both injuries may take place in the same game. [10] The athlete may continue playing in the game after the second concussion, and may walk off the field without assistance, but symptoms quickly progress and the condition can rapidly worsen. [11]