Mild traumatic brain injury is also a form of head injury. Although the level of damage to the brain is less severe, if the patient is not treated promptly, it will still cause permanent brain damage and be life-threatening.

Amnesia is the inability to remember past events, often caused by injury, illness, or the effects of stimulants. It can also be caused by other factors such as aging, stress, or lack of sleep.

Traumatic brain injury (TBI), especially severe TBI, is a major cause of death in Vietnam as well as in the world. Treatment of severe TBI requires the coordination of many specialties, the most important of which are experienced resuscitators, neurologists and neurosurgeons. Resuscitation is based on the principle of avoiding secondary injury as much as possible, maintaining cerebral perfusion pressure (CPP) and optimizing cerebral oxygenation.

Dementia, which usually occurs in older people, can have a variety of causes, including stroke, traumatic brain injury, or cognitive decline. It can also cause problems with cognitive abilities, such as memory, reasoning, judgment, or language.

Transient global amnesia is a symptom of sudden, temporary memory loss without neurological damage such as a seizure or stroke. During a transient amnesia, the person may recall simple recent events but cannot remember where you were or how you got there. This condition usually affects people who are middle-aged and older.