Concussion

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Written by Chen Yu Fei
Neurosurgery
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Mild concussion symptoms

For patients with mild concussion, they often experience temporary loss of consciousness after suffering from violent blows, car accidents, falls from heights, and other accidental injuries, generally lasting no longer than 30 minutes. When patients regain consciousness, they may feel headaches, dizziness, nausea, vomiting, and have difficulty accurately recalling the incident, often referred to as retrograde amnesia. For such patients, cranial CT or MRI scans often show no significant positive signs, and it is suggested that no special treatment is necessary. Instead, patients should focus on rest, avoid overworking and exhaustion, and reduce excessive mental stimulation. The symptoms of most patients will gradually alleviate or even disappear within about two weeks.

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Written by Li Jin Quan
General Surgery
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How to alleviate vomiting from a concussion

Patients with concussions typically present with transient disturbances in consciousness and recent memory loss following an injury. Some patients may also exhibit a range of clinical symptoms such as headaches, dizziness, nausea, vomiting, and loss of appetite. To alleviate vomiting in concussion patients, it is essential to maintain ample rest and a reasonable diet that is light and easy to digest. Avoid consuming highly stimulating foods and alcohol. Additionally, eat smaller meals more frequently. If vomiting is severe, symptomatic treatment can be administered. Currently, metoclopramide can be used for intramuscular injections as a standard treatment.

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Written by Li Pei
Neurosurgery
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Symptoms of concussion

Concussion is the mildest form of traumatic brain injury. The symptoms of concussion primarily include: first, a brief period of clouded consciousness shortly after the injury, typically lasting from a few seconds to a few minutes, generally not exceeding half an hour; second, retrograde amnesia, where the patient cannot clearly recall the events during the injury, but memory of events prior to the injury remains clear; third, common symptoms such as headache, dizziness, nausea, vomiting, poor sleep, and decreased memory; fourth, the patient's cranial examination reveals no significant abnormalities, and lumbar puncture cerebrospinal fluid color and tests are normal.

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Written by Li Pei
Neurosurgery
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Is a concussion serious?

Concussion is the mildest form of traumatic brain injury. It occurs as a transient inhibition of brain function following head trauma, characterized by a brief period of confusion post-injury, usually not exceeding half an hour. Patients may also experience retrograde amnesia, unable to recall the incident of injury. Neurological examinations and head CT scans typically show no significant abnormalities, and results from lumbar puncture and cerebrospinal fluid tests are normal. Most patients generally recover slowly after resting in bed for 1-2 weeks post-injury, without the need for special treatment. If symptoms such as headache or dizziness are prominent, some analgesics and sedatives or neurotrophic medications can be used for treatment, leading to gradual recovery. (Medication should be used under the guidance of a doctor.)

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Written by Gao Yi Shen
Neurosurgery
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concussion symptoms

The symptoms of a concussion must be judged according to the situation. Different types of individuals may exhibit various clinical symptoms, and not all symptoms described in textbooks will necessarily appear. Many will experience dizziness, headache, vomiting, nausea, and other related clinical symptoms; some may experience transient epileptic seizures, limb numbness and weakness, or speech impairments; some individuals might also experience retrograde amnesia, meaning they forget the events that occurred at the time of the injury; and some may enter a state of coma, lasting more than five minutes but less than half an hour. Therefore, these are all symptoms of a concussion, but not everyone will experience them, and some may also have additional symptoms, which should be assessed based on the situation at the time.

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Written by Gao Yi Shen
Neurosurgery
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Precursors of concussion

Concussions generally do not have precursors, as they occur immediately after the brain is injured and certain clinical symptoms manifest. There is no concept of a precursor with concussions. The clinical symptoms of a concussion primarily appear after a trauma and include headaches, dizziness, nausea, vomiting, retrograde amnesia, and brief periods of unconsciousness. These symptoms must all be present to classify as related to a concussion. If symptoms are present and a head CT scan shows no significant bleeding, a concussion can generally be diagnosed. Therefore, there is no such thing as precursors, only related clinical manifestations.

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Written by Li Jin Quan
General Surgery
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How to treat a concussion

The management of concussion patients includes general management and symptomatic drug treatment. General management should include psychological communication with patients who may feel fear and anxiety. Keeping the patient's mood relaxed is beneficial to the recovery of the disease. Secondly, in the early stages of concussion, it is important to observe changes in the patient's general condition to prevent the possibility of delayed intracranial hemorrhage. Thirdly, the patient's diet should be light, easy to digest, and nutritionally reasonable. Additionally, there is symptomatic drug treatment. Some patients may experience severe headaches and insomnia. We can administer some analgesic and hypnotic medications orally. Treatment can also include oral medications that promote the recovery of nerve cells.

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Written by Chen Yu Fei
Neurosurgery
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Concussions are classified into several types.

Concussions are usually categorized into several levels based on the severity of their clinical symptoms. Generally, the higher the level, the more pronounced the symptoms in patients. They can generally be divided into five levels. Patients with a level one concussion may experience mild consciousness disturbances, but these are short-lived and generally do not leave noticeable residual effects. Patients with a level two concussion might experience slight headaches and dizziness, accompanied by vertigo. Patients with a level three concussion show evident retrograde amnesia. Patients with a level four concussion experience mild disturbances in consciousness, manifesting as states of drowsiness, stupor, or coma. Patients with a level five concussion present with clear clinical symptoms, characterized by recurrent headaches, dizziness, nausea, and vomiting.

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Written by Gao Yi Shen
Neurosurgery
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How long should one rest for a concussion?

Concussions generally require about one to two weeks of rest, depending mainly on the specific symptoms of the patient. If the symptoms are relatively mild and the injury was not particularly severe, then about a week of rest is usually sufficient for returning to normal work and study. In some cases, if the concussion was relatively severe at the time of injury and subsequent complications or sequelae occur, then the rest period may need to be appropriately extended, possibly to about a month, depending on the patient's specific symptoms. In the vast majority of cases, resting for two weeks is generally sufficient for returning to normal work and study without involving any special issues. As long as medical advice is followed and treatment is correctly administered, many concussions can heal completely.

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Written by Chen Yu Fei
Neurosurgery
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What are the symptoms of a concussion?

Patients with concussions often present with a clear history of head trauma, followed by a brief period of impaired consciousness, often referred to as a state of drowsiness or stupor. As the condition progresses, patients usually regain consciousness spontaneously and experience significant symptoms such as headache, dizziness, nausea, and vomiting. In addition, during subsequent treatment, patients may experience clinical symptoms such as insomnia at night, frequent dreaming, and easy waking. Patients often cannot accurately recall the incident at the time of injury, a condition clinically known as retrograde amnesia. However, in such patients, head CT or MRI scans typically show no significant positive findings. For these patients, diagnosis is generally made based on clinical presentation.