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Background Some previous reports revealed suboptimal management of anaphylaxis (ANX) in the emergency department (ED). Objective To evaluate the recorded diagnosis and management of patients who presented with ANX at our university hospital ED and to assess how the management correlated with the severity of the case and the training level of the ED staff. Methods A descriptive study that involved reviewing the electronic medical records of patients who presented with ANX at the ED during a period of 4 years. Results When reviewing 1341 charts of potential cases, 60 met the criteria for ANX, but only 23% were correctly coded. Inaccurate coding was noted in 77%, mainly as an "allergic reaction." Systemic corticosteroids were administered in the ED to 85% of the patients and H1-antihistamines to 73%; only 20% received epinephrine. Ten patients required hospital admission, and, on discharge, only four patients (40%) were given epinephrine autoinjector prescriptions. Of the 50 who were discharged home, 48% were given epinephrine autoinjector prescriptions and 16% were given a referral for allergy evaluation. Conclusion The observed low rates of appropriate diagnostic coding of ANX, of epinephrine administration, epinephrine autoinjector prescribing at discharge, and referral for allergy evaluation call for more education on these issues. Some of these pitfalls can be partly attributed to the setting in a university ED where health providers are usually busy in rendering urgent care.

Summary We describe the case of a 24-year-old male with hyper-IgE syndrome (HIES) which was diagnosed at 4 years of age and died from a very rare cardiac complication. He had typical clinical and laboratory manifestations of HIES, including total serum IgE as high as > 100,000 IU/mL. Stem cell transplantation was not available. During the 20-year follow-up, he suffered numerous various infections of the skin and deep organs, partial lung resection, as well as multiple bone fractures. At age 24, he developed acute decompensated heart failure associated with elevated serum troponin I and brain natriuretic protein. Two-dimensional echocardiogram revealed global hypokinesis of the left ventricle with estimated ejection fraction 20-25%, and catheterization revealed ectasia of multiple coronary arteries. Endomyocardial biopsy showed lymphocytic myocarditis, focal necrosis, mild fibrosis, and myxoid degeneration, but cultures were negative. The patient improved on corticosteroid therapy and was discharged on heart failure therapy and external defibrillator. Six weeks later, he developed supraventricular tachycardia and persistent global hypokinesis and was treated with amiodarone. A trial of intravenous immunoglobulin was initiated and was repeated as outpatient every four weeks for four times. However, his cardiac function did not improve and he developed severe hypotension and pulseless electrical activity arrest. Resuscitation was unsuccessful. To the best of our knowledge, this is the first reported case of HIES complicated with lymphocytic myocarditis. Both immunologists and cardiologists need to be aware of such a complication and practice caution in using immunosuppressants when the patient's immune status is markedly compromised.