Five to twenty percent of patients with anorexia nervosa die from their illness. One half of those patients die of medical complications (Steinhavsen, 2002). Malnutrition, dehydration, and electrolyte abnormalities may precipitate death by inducing heart failure or fatal arrhythmias. Patients and their families commonly call upon physicians to evaluate acute and ongoing risks of malnutrition and purging behaviors. Concerns about medical compromise currently tend to determine or influence insurance coverage of medical and psychiatric treatment of patients with eating disorders. There is very limited published data to guide clinicians in the evaluation, ongoing monitoring, or treatment. Surprisingly, no consensus exists regarding recommendations for either the ongoing evaluation of cardiac parameters or the clinical implications of common findings.

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