Mild Traumatic Brain Injury (mTBI) is a trauma-induceddisruption of brain function on the lowest end of the TBI severityspectrum, typically due to a fall, Motor vehicle accidents, or sportsinjury. Characteristic manifestations include a GCS ≥ 13–15, transientLoss of consciousness, altered mental status at the time of injury,posttraumatic amnesia, and minor neurological abnormalities that do notrequire surgical intervention. Concussion, a term often used synonymouslywith mTBI, is difficult to define but typically refers to a heterogeneous subset of TBI with variable constellations of physical,cognitive, and neuropsychiatric features and variable recovery times. mTBI isprimarily a clinical diagnosis. Neuroimaging is notroutinely indicated, as it is frequently normal or reveals only minor findingsthat do not alter management. Clinical decision rules for neuroimaging shouldbe used to identify patients at risk of intracranial lesions that requiresurgical intervention. Most patients with a reassuring clinical presentationcan be treated as outpatients after a period of observation, while some benefitfrom hospital admission and monitoring. If at any point during the observationperiod the GCS deteriorates to < 13, the patient should bereclassified as moderate TBI or severe TBI and managedaccordingly. The mainstay of treatment of mTBI is physical andcognitive rest until patients are completely asymptomatic, followed by agradual return to activity. Most patients recover completely within 1–2weeks and better outcomes are associated with early diagnosis and Treatmentadherence. Post concussion Syndrome is the most common complication,causing symptoms lasting for weeks to months that usually require multidisciplinarycare and follow-up.

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