title: Paroxysmal atrial tachycardia: a presenting manifestation of hyperthyroidism: case report.
mesh_terms: D004562:Electrocardiography; D005260:Female; D006325:Heart Atria; D006801:Humans; D006980:Hyperthyroidism / Q000150:complications*; D008875:Middle Aged; D013614:Tachycardia, Paroxysmal / Q000209:etiology*