Symptoms of cerebral infarction

Written by Chen Yu Fei
Neurosurgery
Updated on November 16, 2024
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For patients with cerebral infarction, during the acute phase, they typically exhibit clear symptoms of headache, dizziness, nausea, and vomiting. Patients may experience slurred speech, difficulty speaking, and obvious articulation disorders. Additionally, some patients may develop facial nerve paralysis, deviation of the mouth to one side, drooling, and often exhibit clinical signs such as a shallower nasolabial fold and disappearance of forehead wrinkles. Furthermore, some patients may also experience dysphagia, manifested by coughing when drinking water, and may be accompanied by aphasia or motor dysfunction, primarily presenting as motor aphasia, mixed aphasia, anomic aphasia, and resulting unilateral limb paralysis.

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Written by Chen Yu Fei
Neurosurgery
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What tests are done for a cerebral infarction?

For patients with cerebral infarction, it is recommended to take the patient to a local hospital for timely treatment during the acute phase. A cranial CT scan or MRI should be performed to help assess the current situation. Cranial MRI plays an important auxiliary diagnostic role in identifying the specific location, extent, and severity of the cerebral infarction. It is advised to perform a cranial MRI during the acute phase for a clear diagnosis, and then decide the next step of the treatment plan based on the situation. Within the surgical window, thrombolytic therapy can be applied to achieve dissolution of the clot. If the optimal timing for thrombolysis has been missed, it is recommended that the patient be hospitalized to receive treatment, including intravenous drips, brain-nourishing drugs, nerve nutrition, and medications that invigorate blood circulation and remove blood stasis, to help improve the state of ischemia and hypoxia in the brain tissue.

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Written by Gao Yi Shen
Neurosurgery
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What is a cerebral infarction?

Cerebral infarction is essentially a manifestation of ischemic necrosis of nerve cells. However, in clinical practice, there are many factors that can cause cerebral infarction. It is essential to treat the underlying causes to effectively prevent the further occurrence and progression of cerebral infarction. One characteristic of nerve cells is that once necrosis occurs, they cannot regenerate. Consequently, all patients who suffer from cerebral infarction may have some residual neurological deficits. Mild symptoms include headaches and dizziness, while severe cases may experience numbness and weakness in the limbs, speech impairments, and even more severe conditions such as a vegetative state or death. Therefore, in the case of cerebral infarction, it is crucial to focus on prevention early on to reduce the extent of necrosis. This can effectively ensure one's safety and reduce the occurrence of various complications and sequelae.

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Written by Gao Yi Shen
Neurosurgery
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Is a cerebral infarction serious?

Stroke is a very serious disease; its essence lies in the ischemic necrosis of nerve cells. A characteristic of nerve cells is that once they undergo ischemic necrosis, they cannot regenerate. Along with cardiac muscle cells, they are the only cells in the human body that cannot regenerate once they have died. Therefore, for the part of the tissue where nerve cells have already died, such as in cases of cerebral thrombosis or stroke where the tissue has already been affected, it is impossible to completely restore it. If the affected area is relatively small, some compensation might be possible. However, if the affected area is relatively large, this will lead to a significant amount of ischemic necrosis in the neural tissue, which can cause total dysfunction of various tissue structures in the body, and in more severe cases, can lead to coma and eventually the death of the patient. Therefore, it is imperative to take this seriously in clinical practice.

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Written by Shu Zhi Qiang
Neurosurgery
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post-stroke sequelae

Brain infarction is a very common type of ischemic cerebrovascular disease, which mainly includes the following types: the most common are lacunar infarction, cerebral thrombosis, and cerebral embolism. The neurological sequelae of lacunar infarction are not particularly typical, and patients may exhibit mild incomplete paralysis of limbs, decreased muscle strength, reduced sensation, or ataxia. Cerebral thrombosis and cerebral embolism often cause extensive brain infarction, where patients typically experience severe limb paralysis, loss of sensation, increased tendon reflexes, positive pathological reflexes, and an inability to care for themselves.

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Written by Chen Yu Fei
Neurosurgery
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Symptoms of cerebral infarction

For patients with cerebral infarction, during the acute phase, they typically exhibit clear symptoms of headache, dizziness, nausea, and vomiting. Patients may experience slurred speech, difficulty speaking, and obvious articulation disorders. Additionally, some patients may develop facial nerve paralysis, deviation of the mouth to one side, drooling, and often exhibit clinical signs such as a shallower nasolabial fold and disappearance of forehead wrinkles. Furthermore, some patients may also experience dysphagia, manifested by coughing when drinking water, and may be accompanied by aphasia or motor dysfunction, primarily presenting as motor aphasia, mixed aphasia, anomic aphasia, and resulting unilateral limb paralysis.