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Some experts believe post-concussion symptoms are caused by structural damage to the brain or disruption of neurotransmitter systems, resulting from the impact that caused the concussion. [medical citation needed] Others believe that post-concussion symptoms are related to common psychological factors. Most common symptoms like headache ...
Late symptoms can occur days to weeks after the initial injury, although headaches and dizziness can persist well into the "late stage" as well. [7] RPQ-3 symptoms are regarded as the more "physical" symptoms, whereas the RPQ-13 set of symptoms are considered to have a more significant impact on psychic and social function.
Up to one hour – the injury is very mild in severity and full recovery is expected. The patient may experience a few minor post-concussive symptoms (e.g. headaches, dizziness). 1–24 hours – the injury is moderate in severity and full recovery is expected. The patient may experience some minor post-concussive symptoms (e.g. headaches ...
This injury can occur after exposure to a single, loud noise or from exposure to noises at significant decibels over a longer period of time. [medical citation needed] Many cases have included a period of reduced hearing after exposure to loud sounds. Examples include after a concert or a visit to a discotheque or having worked with noisy ...
measure of the ICD-10 criteria for Post concussion syndrome The British Columbia Postconcussion Symptom Inventory (BC-PSI), is a 16 item self-report inventory designed to measure both the frequency, and intensity of the ICD-10 criteria for Post concussion syndrome , which is a common occurrence in cases of mild traumatic brain injury .
Second-impact syndrome (SIS) occurs when the brain swells rapidly, and catastrophically, after a person has a second concussion before symptoms from an earlier one have subsided. This second blow may occur minutes, days, or weeks after an initial concussion, [1] and even the mildest grade of concussion can lead to second impact syndrome. [2]
Gastrointestinal injuries may present after a delay of hours or even days. [3] Injury from blast overpressure is a pressure and time dependent function. By increasing the pressure or its duration, the severity of injury will also increase. [3] Extensive damage can also be inflicted upon the auditory system.
The symptoms of a cerebral contusion depend on the severity of the injury, ranging from minor to severe. Individuals may experience a headache, confusion, sleepiness, dizziness, loss of consciousness, nausea and vomiting, seizures, difficulty with coordination and movement, lightheadedness, tinnitus, and spinning sensations.