myasthenia

• Termo médico que designa fraqueza muscular e fatigabilidade anormal, geralmente crônica, muitas vezes afetando face e pescoço, causada por distúrbio da transmissão neuromuscular. Pode se referir especificamente à miastenia gravis.

A medical term for a chronic condition involving muscle weakness and fatigue, often affecting the face and neck, caused by impaired transmission of nerve impulses at the neuromuscular junction.

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1. Chronic autoimmune diseaseC2formalmedical

   A chronic autoimmune disorder characterized by fluctuating muscle weakness and fatigue, especially in the face and neck, caused by a deficiency of acetylcholine at neuromuscular junctions.

   Doença autoimune crônica

   • The patient was diagnosed with myasthenia after experiencing drooping eyelids.
   • Myasthenia often affects the muscles controlling eye and facial movements.
   • Treatment for myasthenia includes medications that improve nerve-muscle communication.

2. General muscular weaknessC2formalmedical

   Any condition involving abnormal weakness of the muscles, not necessarily linked to a specific disease.

   Fraqueza muscular geral

   • The doctor noted general myasthenia in the patient's limbs after the infection.
   • Chronic fatigue can lead to a state of myasthenia in some individuals.
   • The term myasthenia is used broadly to describe any muscular weakness.