title: Pericardial tamponade in a patient with treated myxedema.
abstract: Pericardial tamponade developed in a patient with hypothyroidism and a pericardial effusion after she had been successfully treated with levothyroxine sodium. Refractory pericardial effusion is an unusual complication of treated myxedema. A possible mechanism for its occurrence is presented.
mesh_terms: D000368:Aged; D002305:Cardiac Tamponade / Q000209:etiology*; D005260:Female; D006801:Humans; D007037:Hypothyroidism / Q000150:complications / Q000188:drug therapy*; D009230:Myxedema / Q000188:drug therapy*; D010490:Pericardial Effusion / Q000209:etiology; D013974:Thyroxine / Q000627:therapeutic use*
chemical_list: D013974:Thyroxine