Table 1.

Classification of traumatic brain injury [25,26].

Patho-Anatomy
Diffuse		Focal
Concussion		Contusion
Traumatic axonal injury/diffuse axonal injury		Penetrating
Explosion		Hematoma
Abusive head trauma		- Epidural
		- Subarachnoid
		- Subdural
		- Intraventricular
		- Intracerebral
Severity of Head Trauma
	LOC	PTA	GCS
Mild:	≤30 min	≤24 h	13–15
Moderate:	>30 min, ≤24 h	>24 h, ≤7 days	9–12
Severe:	>24 h	>7 days	3–8

LOC: loss of consciousness, PTA: post-traumatic amnesia, GCS: Glasgow coma scale. (reprinted with permission from Jang, S.H., Traumatic Brain Injury. In.Tech. 2018; 137–154).