The International journal of eating disorders
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Syncope is a potentially dangerous symptom of anorexia nervosa that is usually attributed to bradycardia, dehydration, or hypoglycemia. ⋯ We hypothesize that inducible syncope in these two patients is due to increased vagal tone and baroreceptor sensitivity. Physicians should be aware that patients with anorexia nervosa may be able to induce syncope with isometric exercise and that this potentially dangerous behavior needs to be addressed during treatment.