Usually, it is necessary to combine the patient’s medical history. If the patient suddenly presents with paralysis or monoplegia of the upper and lower extremities on the lateral side, accompanied by symptoms such as slurred speech, unfavorable speech, crooked mouth, dizziness, unstable walking, abnormal sensation, and the previous presence of vascular disease risk factors such as hypertension, hyperglycemia, hyperlipidemia, smoking and alcohol consumption, it may be acute cerebrovascular disease.
If the patient has unfavorable limb movement based on recent fever, it may be intracranial pathogenic infection such as virus, bacteria or fungus, leading to encephalitis, meningoencephalitis or myelitis; if the patient suddenly develops general paralysis, mostly after exertion or excessive exercise, which lasts for a long time and can be repeated, it may be periodic paralysis; acute trauma can also lead to paralysis, and all of the above should be sought immediately once they occur .