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What is diffuse axonal injury (DAI)?

April 26, 2017axonal dai Diffuse injury

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What is diffuse axonal injury (DAI)?

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Diffuse axonal injury is the shearing (tearing) of the brain’s long connecting nerve fibers (axons) that occurs when the brain is injured as it shifts and rotates inside the bony skull. DAI usually causes coma and injury to many different parts of the brain. The changes in the brain are often microscopic and may not visualize on computed tomography (CT scan) or magnetic resonance imaging (MRI) scans.