• Jaime Kaye Otillio, Jeffrey K Harris, and Rachel Tuuri.
• From the Divisions of *Pediatric Emergency Medicine and †Pediatric Cardiology, Department of Pediatrics, Medical University of South Carolina, Charleston, SC.
• Pediatr Emerg Care. 2014 Aug 1;30(8):561-5.

AbstractHemophagocytic lymphohistiocytosis (HLH) is a rare disorder of highly stimulated immune responses to antigens that leads to life-threatening inflammation and multiple organ dysfunction. At presentation, HLH may uncommonly mimic septic shock. In this case, we present a 6-year-old girl presenting to the pediatric emergency department with a febrile illness and anemia that subsequently developed decompensated shock, initially thought to be septic. She was ultimately diagnosed with HLH. During initial HLH treatment, this patient also developed takotsubo cardiomyopathy, a unique pattern of reversible left ventricular dysfunction characterized by transient apical ballooning and hypokenesis of the left ventricle that spontaneously resolves. There are very few case reports of HLH-associated takotsubo cardiomyopathy. We believe that this is the first case of takotsubo cardiomyopathy in a child with HLH.

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