a positive declaration intended to give confidence: He received assurances of support for the project. 2. promise or pledge; guaranty; surety: He gave his assurance that the job would be done. 3. full confidence; freedom from doubt; certainty: to act in the assurance of success.
Summary. Traumatic brain injury (TBI) happens when a bump, blow, jolt, or other head injury causes damage to the brain. Every year, millions of people in the U.S. suffer brain injuries. More than half are bad enough that people must go to the hospital. The worst injuries can lead to permanent brain damage or death.
Best Answer: Yes, you suffered a brain trauma as well as a severe shock and body trauma, and the symptoms can last for a time, depending on how bad a concussion. Concussion is the mildest form of brain injury so you should consider yourself lucky that it isn't worse for the type of accident. Consider symptoms for roughly two weeks, but it could be longer. And yes, the symptoms can be worse in the first few days.