Head Trauma: Risks of Brain Bleeding After Impact - Neurosurgery

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Head trauma


Hello, doctor.
This afternoon, on November 24th, I was playing around with my classmates and accidentally bumped into the wall behind me.
The pain lasted only a few minutes, but at that moment, I noticed a metallic taste of blood in my mouth.
I went to the health center for ice treatment, and the nurse mentioned that there was some swelling.
Is there a possibility of a brain hemorrhage? What level of impact is typically required to cause a brain hemorrhage?

Chester, 10~19 year old female. Ask Date: 2020/11/24

Dr. Zhang Junwei reply Neurosurgery


The probability of a brain hemorrhage is extremely low; typically, brain hemorrhages occur due to incidents such as car accidents or falls.

Reply Date: 2020/11/24

More Info


Head trauma can be a concerning event, especially when there is a possibility of intracranial bleeding. When you experienced an impact with the wall, it is understandable to be worried about the potential consequences, including brain bleeding.
Firstly, it is important to note that not all head injuries lead to serious complications like intracranial hemorrhage. The risk of brain bleeding depends on several factors, including the force of the impact, the location of the injury, and individual health conditions. Generally, significant trauma, such as a fall from a height or a high-speed collision, poses a higher risk for serious injuries, including skull fractures and bleeding within the skull.
In your case, since the pain subsided quickly and you only experienced a brief sensation of blood in your mouth, it suggests that the injury may not be severe. However, the presence of swelling indicates that there was some degree of trauma to the area. It is also worth noting that the sensation of blood in the mouth could be due to a minor injury to the oral cavity or gums rather than a direct indication of brain injury.

The threshold for causing intracranial bleeding can vary widely among individuals. Factors such as age, pre-existing medical conditions, and the specific area of the head that was impacted can influence the outcome. For instance, older adults or individuals on anticoagulant medications may be at a higher risk for bleeding even with minor impacts.
In general, if a person experiences a head injury, they should be monitored for specific symptoms that may indicate a more serious condition. These symptoms include:
1. Persistent or worsening headache
2. Nausea or vomiting
3. Confusion or disorientation
4. Dizziness or balance issues
5. Weakness or numbness in limbs
6. Seizures
7. Changes in vision or speech
If any of these symptoms develop, it is crucial to seek medical attention immediately.
For your situation, since you are currently feeling stable and have not developed any alarming symptoms, it may be reasonable to observe yourself for the next 24 to 48 hours. During this time, keep an eye out for any changes in your condition. If you notice any concerning symptoms, do not hesitate to visit a healthcare provider for a thorough evaluation.
In summary, while the risk of intracranial bleeding exists with head trauma, the likelihood is often dependent on the severity of the impact and individual factors. It is always better to err on the side of caution, so if you have any doubts or if your symptoms change, seeking medical advice is the best course of action. Remember, your health and safety are the top priorities.

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