The rapid onset of hyperthyroidism in a patient with myasthenia gravis.
D001281:Atrial Fibrillation / Q000150:complications; D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000209:etiology*; D008875:Middle Aged; D009157:Myasthenia Gravis / Q000150:complications*