A patient arrives in the emergency department with a heart rate of 128 beats per minute and a temperature of 105°F. The patient's skin feels hot and moist. The free T₄ level is 4 ng/dL,the free T₃ level is 685 pg/dL,and the TSH level is 0.1 microunits/mL. The nurse caring for this patient will expect to administer:

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Propylthiouracil is used for patients experiencing thyroid storm,and this patient is showing signs of that condition. Levothyroxine is given IV for hypothyroidism. ¹³¹I is used in patients over age 30 who have not responded to other therapies. Methimazole is used long term to treat hyperthyroidism,but PTU is more useful for emergency treatment.

A Patient Arrives in the Emergency Department with a Heart