Myasthenia Gravis should be seen by which department?

Written by Zhang Hui
Neurology
Updated on September 11, 2024
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Myasthenia gravis is considered a neurological disease, so if myasthenia gravis is suspected, it is advisable to consult a neurologist. Neurologists are quite familiar with myasthenia gravis, especially those who specialize in its research. They are particularly knowledgeable about diagnosing and treating this disease. Myasthenia gravis is an autoimmune disease of the nervous system that primarily affects the neuromuscular junction, causing muscle weakness in the body. The symptoms typically worsen towards the evening and include pathological fatigue. Muscle weakness usually improves after rest. Clinical manifestations also include ptosis, double vision, difficulty swallowing, and coughing while drinking. Neurologists may prescribe various diagnostic tests such as electromyography, chest CT scans, and tests for acetylcholine receptor antibodies.

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Written by Zhang Hui
Neurology
1min 13sec home-news-image

Types of Myasthenia Gravis Crisis

Myasthenia gravis is a neurological disease. It is an autoimmune disorder primarily affecting the neuromuscular junction, leading to symptoms such as pathological fatigue, ptosis, and limb weakness. Myasthenia gravis is termed as such due to its severe nature, including crises that can impair respiratory muscles, leading to respiratory paralysis, respiratory failure, and potentially death. There are three main types of myasthenic crises. The first type is myasthenic crisis, primarily caused by insufficient medication; muscular injections can be used for treatment, and if effective, it indicates a myasthenic crisis. The second type is called cholinergic crisis, resulting from an overdose of acetylcholinesterase inhibitors, with symptoms including muscular twitching and pupil constriction. The third type is called refractory crisis, occurring when the body is insensitive to medication treatments. All these crises pose a life-threatening risk to patients and require immediate management, including tracheal intubation and, if necessary, mechanical ventilation.

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Written by Zhang Hui
Neurology
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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.

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Written by Zhang Hui
Neurology
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Myasthenia Gravis Test Items

Myasthenia gravis is a common neurological disease, primarily an autoimmune disorder. It typically results in symptoms that are worse in the evening and fluctuate throughout the day, mainly manifesting as limb weakness, double vision, swallowing difficulties, and speech impairments. In severe cases, it can even affect respiration, leading to weakness of the respiratory muscles and necessitating the assistance of a ventilator. The key examinations for myasthenia gravis include: Firstly, a chest CT scan. Many patients with myasthenia gravis have thymic hyperplasia or thymomas, making this scan crucial. Secondly, repetitive nerve stimulation electromyography. This test can detect amplitude decrement in response to stimulation, which is significant for diagnosing the disease. Thirdly, testing for specific antibodies related to myasthenia gravis, such as acetylcholine receptor antibodies. The presence of these antibodies is very important for diagnosis. Additionally, other tests such as erythrocyte sedimentation rate and thyroid function tests are also conducted.

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Written by Zhang Hui
Neurology
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Myasthenia gravis should not use what medicine?

Myasthenia gravis is a neuromuscular junction disease in neurology, primarily due to some synaptic dysfunction, leading to pathological fatigue and general weakness in patients. Patients with myasthenia gravis often experience exacerbation of the disease due to fatigue or infection, and certain medications can severely affect synaptic function, worsening the condition, and are therefore not to be used. The medications to avoid mainly include the following types: The first type is aminoglycoside antibiotics, which can exacerbate the transmission at the neuromuscular junction. Second, quinolone antibiotics should also be avoided as much as possible. Third, some antiarrhythmic drugs can also decrease the excitability of the fascia and are not recommended. Additionally, some drugs like morphine, benzodiazepines, and receptor blockers should also be contraindicated or used with caution.

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Written by Xie Wen
Neurology
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Myasthenia Gravis Surgical Treatment

Myasthenia gravis is an autoimmune disease, with many patients also having a thymoma. The thymus is a very important immune organ in humans, and abnormal proliferation of the thymus can produce acetylcholine receptor antibodies. These antibodies circulate to the neuromuscular junction and participate in the antigen-antibody reaction, leading to the onset of myasthenia gravis. By removing the thymus, the initiating antigens of the patient's autoimmune response can be eliminated, reducing the involvement of T cells, B cells, and cytokines in the autoimmune response. This surgery is suitable for patients with thymic hyperplasia and high acetylcholine receptor antibody titers, or those with various types of myasthenia gravis with thymoma, as well as young women with generalized myasthenia gravis, and those who are dissatisfied with cholinesterase inhibitor treatment. About 70% of patients can experience symptom relief or complete recovery after surgery.