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Zhang Hui
Neurology
About me
Weifang People's Hospital, Department of Neurology, attending physician, has been engaged in clinical work in the field of neurology for many years, with rich clinical experience in common and prevalent neurological diseases.
Proficient in diseases
Cerebrovascular disease, Parkinson's disease, myelitis, etc.
Voices
How to treat anxiety and insomnia?
The patient is experiencing anxiety and insomnia, and the following treatment methods are recommended. Firstly, it is crucial for the patient to pay attention to psychological adjustment, maintain a pleasant mood, keep a good mindset, and communicate more with others, which can achieve very good effects. Secondly, it is essential to develop one's hobbies, engage in more outdoor sports, which can divert one's attention, significantly reduce anxiety, and also improve insomnia. Thirdly, long-term anxiety and insomnia can have adverse effects on the body. It is possible to take benzodiazepine drugs, which help with sleep and can also counteract anxiety, and should be taken under a doctor's advice. Finally, if the patient's anxiety is very pronounced, it is necessary to see a psychologist for treatment and take some anti-anxiety medication.
What tests are done for Parkinson's disease?
Parkinson's disease is a degenerative disease of the nervous system. Many patients report that numerous examinations did not identify a clear cause of the disease, which is typical of this condition due to the lack of very effective diagnostic methods. Patients' symptoms gradually worsen, manifesting as motor slowness, limb tremors, muscle rigidity, and other clinical signs. There are also symptoms such as constipation and dizziness. Generally, the following examinations are recommended for Parkinson's disease: First, complete a cranial MRI scan. The primary purpose of a cranial MRI is to exclude other causes of Parkinson's-like symptoms, such as cerebral thrombosis, brain tumors, or inflammation. Second, perform olfactory tests, as some patients may experience a significant reduction in their sense of smell early on. Third, conduct induced sleep monitoring, since some patients may have prominent sleep disorders. Additionally, it is suggested to perform striatal dopaminergic transporter imaging, a type of DAT scan. Although this scan is quite expensive, it can clearly reflect the function of the striatum.
Myasthenia gravis belongs to which department?
Myasthenia gravis is an autoimmune disease of the nervous system, primarily affecting the neuromuscular junction where synaptic function is significantly impaired. This disease falls under the purview of neurology, and most neurologists are quite familiar with myasthenia gravis, considering it a common and frequently occurring neurological condition. Patients with myasthenia gravis typically exhibit symptoms such as drooping eyelids, double vision, and general fatigue. They experience a pathological tiredness, feeling extremely exhausted after minor activities, although rest can alleviate symptoms. These symptoms are also commonly associated with the nervous system, so it is appropriate to consult the neurology department. Treatment for patients with myasthenia gravis may involve administering immunoglobulins or corticosteroids, depending on the situation, while also taking precautions to prevent potential complications.
Causes of Parkinson's Disease
The cause of Parkinson's disease is mainly due to a part of the brain called the brainstem, which has some black moles and clusters containing a large number of neurons that can produce dopamine. The death of these neurons in the substantia nigra of the midbrain, caused by various factors, leads to Parkinson's disease. This results in noticeable slowness of movement in the limbs, muscle rigidity, as well as tremors, and unstable walking and other clinical manifestations. The causes of the death of dopaminergic neurons in the substantia nigra include genetic factors. Additionally, age is the biggest cause of the disease. Furthermore, dysfunctions in mitochondrial function, ischemia and hypoxia in the midbrain, certain traumas, and the use of drugs that deplete dopamine can all potentially cause Parkinson's disease.
What is a good medicine to take for myasthenia gravis?
Myasthenia gravis is an autoimmune disease of the nervous system. Patients need to take medication for a long time, otherwise, antibodies to acetylcholine receptors might continue to be produced, further worsening the clinical manifestations. The medications taken by patients with myasthenia gravis mainly include the following types, the first being cholinesterase inhibitors. These drugs can inhibit the breakdown of acetylcholine by cholinesterase, thereby improving the transmission function between nerve and muscle junctions, and improving the clinical symptoms of patients. It is best to take these medications before meals for better absorption. The second type of medication mainly includes corticosteroids. They can suppress the body's immune response and reduce the production of antibodies, which is very helpful for the recovery from the disease. Long-term usage and gradual dosage reduction are necessary. Additionally, some immunosuppressants need to be taken. Taking these immunosuppressants also aims to suppress the immune response. However, it is essential to be aware of their adverse effects, such as suppression of bone marrow function, and damage to liver and kidney functions.
Differentiation between purulent meningitis and viral meningitis
Purulent meningitis and viral meningitis are different diseases. Purulent meningitis is caused by bacterial infection of the meninges. Viral meningitis is caused by viral invasion of the meninges. Generally, purulent meningitis is more severe, and patients may exhibit symptoms of systemic toxin poisoning, such as high fever, nausea, vomiting, sickly appearance, and general weakness. The symptoms of viral meningitis are relatively mild, and the fever is not particularly severe. Another important differentiation is based on the analysis of cerebrospinal fluid. In viral meningitis, the lumbar puncture shows that the white blood cell count is below 1000*10^6/L, and the levels of sugar and chloride are generally normal or slightly low, with protein usually mildly elevated. In purulent meningitis, the cerebrospinal fluid shows a significant increase in white blood cell count, even reaching from 1000*10^6/L to 10000*10^6/L; the protein content is significantly increased, the sugar content is markedly decreased, and chloride levels are reduced. Additionally, bacteria can be found in the cerebrospinal fluid and blood cultures in purulent meningitis, whereas viral meningitis cerebrospinal fluid cultures do not show bacteria.
Can migraines be cured?
From the current medical development perspective, it is very difficult to completely cure migraines. Migraine is a disease that is prone to attacks, primarily caused by dysfunction of certain blood vessels. Some also believe that abnormal changes in the trigeminal ganglion can also lead to migraines. Migraines are prone to recurrence, and can be triggered by fatigue, poor sleep, bad mood, anxiety, and depression. When a migraine attack occurs, the pain can be quite severe, generally ranging from moderate to severe, accompanied by significant nausea, vomiting, and other clinical manifestations, and a feeling of vascular pulsation during the headache. The treatment plan mainly involves the administration of pain relief medications. If migraine attacks are frequent and the pain during attacks is severe, severely affecting daily life, preventive treatment with medication can be given. These medications can reduce the frequency of migraine attacks, but achieving a complete cure remains very challenging.
What is the greatest fear in Alzheimer's disease?
Dementia in the elderly is a common neurodegenerative disease worldwide. It is a clinical syndrome caused by the irreversible death of brain neurons due to various factors. Initially, the main symptom in patients is impaired memory function, which at this stage does not significantly affect work and life, and is not overly concerning. As the disease progresses, the cognitive functions of the elderly, including visuospatial skills, calculation abilities, and executive functions, are notably impaired. Changes in personality and behavior also occur. What is most feared in dementia? It is particularly concerning when elderly individuals go out on their own and then cannot find their way home, leading to situations where they may become lost. If the elderly are unable to find adequate food outdoors, or if the weather is too cold or too hot, their life safety can be severely threatened. Additionally, dementia patients might inadvertently turn on the gas at home and forget to turn it off, which can easily lead to accidents. These are the most feared incidents related to dementia in the elderly.
Can spinal inflammation urinary incontinence be cured?
Patients with myelitis often experience urinary incontinence because the condition affects the function of the autonomic nerves, which primarily govern the control of urination and defecation. Symptoms may include urinary incontinence, urinary frequency, or urinary retention. To treat urinary incontinence, it is first necessary to treat acute myelitis. Treatment must be timely, involving the administration of corticosteroids to suppress the inflammatory response and promote recovery from myelitis. Additionally, B vitamins should be administered to nourish the nerves and accelerate nerve repair. Moreover, adjunctive rehabilitation therapy is also crucial. For urinary incontinence, rehabilitation physicians may offer interventions such as acupuncture and training for the bladder sphincter muscle function. Most patients have a relatively good prognosis after treatment and can be cured.
Can myasthenia gravis be cured completely?
Myasthenia gravis is a relatively common disease in neurology. Whether it can be completely cured mainly depends on the severity of the disease and some of its subtypes. For instance, patients with ocular myasthenia gravis only exhibit symptoms such as ptosis; by using some corticosteroids or acetylcholinesterase inhibitors, some patients can be cured. However, there are also patients who experience generalized muscle weakness, which is particularly severe and may even affect the respiratory muscles. These patients need long-term or even lifelong medication to prevent the recurrence of severe myasthenia gravis. Additionally, some patients with myasthenia gravis also have thymomas, and many patients can be cured after the removal of the thymoma. Therefore, most cases of myasthenia gravis cannot be completely cured and require long-term medication, though a small portion might be curable.