Neuromuscular disease

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Obesity, Sleep & Internal medicine
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Neuromuscular disease
File:Congenital nemaline myopathy.jpg
Synonyms	N/A
Pronounce	N/A
Specialty	N/A
Symptoms	Muscle weakness, muscle wasting, muscle cramps, muscle pain
Complications	Respiratory failure, cardiac arrhythmias, dysphagia
Onset	Varies by specific condition
Duration	Chronic
Types	N/A
Causes	Genetic mutations, autoimmune disorders, infections, toxins
Risks	Family history, exposure to toxins, certain infections
Diagnosis	Electromyography, nerve conduction study, muscle biopsy, genetic testing
Differential diagnosis	Myopathy, motor neuron disease, peripheral neuropathy
Prevention	N/A
Treatment	Physical therapy, medications, surgery, supportive care
Medication	N/A
Prognosis	Varies by specific condition
Frequency	Varies by specific condition
Deaths	N/A

File:Polymyositis HE.jpg

Polymyositis histology

File:Nerve conduction velocity.jpg

Nerve conduction velocity test

Neuromuscular disease is a broad term that encompasses a variety of conditions which impair the functioning of the peripheral nervous system (PNS), neuromuscular junctions, or skeletal muscles. These components collectively form the motor unit, and any damage to these structures can result in muscle atrophy and weakness. In some cases, issues with sensation may also occur.

Causes

Neuromuscular diseases can be either acquired or genetic. Genetic neuromuscular diseases are caused by mutations in more than 650 genes. Acquired neuromuscular diseases, on the other hand, can be caused by a variety of factors including nerve or muscle degeneration, autoimmunity, toxins, certain medications, malnutrition, metabolic derangements, hormone imbalances, infection, nerve compression/entrapment, compromised blood supply, and trauma.

Symptoms

The symptoms of neuromuscular diseases can vary widely depending on the specific condition and its severity. However, common symptoms often include muscle weakness, muscle atrophy, and issues with sensation.

Diagnosis

Diagnosis of neuromuscular diseases typically involves a thorough medical history and physical examination, as well as various tests such as blood tests, nerve conduction studies, electromyography, and in some cases, genetic testing.

Treatment

Treatment for neuromuscular diseases is typically focused on managing symptoms and improving quality of life. This may involve physical therapy, occupational therapy, speech therapy, medication, and in some cases, surgery.

See also

• Peripheral nervous system
• Neuromuscular junction
• Skeletal muscle
• Motor unit
• Muscle atrophy
• Muscle weakness