We present the case of a patient who developed cardiogenic shock related to secondary hypothyroidism, which was reversed by parenteral L-triiodothyronine
(T3).
Case Report: An otherwise healthy 48-year-old Hispanic woman presented with progressive exertional dyspnea, orthopnea, fatigue, cold-intolerance, and facial swelling for 2 months. She was unable to lactate after her last pregnancy.She had mild tachypnea, features of myxedema, a temperature of 36.9 °C, blood pressure of 98/67 mm Hg, and heart rate of 93 beats/min. The thyroid gland was nonpalpable. Bibasilar rales were present. Cardiac auscultation revealed an S4.Results of serum sodium, potassium, blood urea nitrogen (BUN),