Hiponatremia grave en paciente con anorexia nerviosa: caso clínico y revisión de la literatura / Severe hyponatremia in a patient with anorexia nervosa: case report and review of literature

Electrolyte disorders are a not infrequent alteration in patients with anorexia nervosa. Itsmechanisms are multifactorial, depending on the electrolytic alteration. Hyponatremia is described in 7% of patients and generally does not reach serious values. We present the case of a female patient with difficult-to-manage anorexia nervosa who was hospitalized for hyponatremia with values not described in the literature, with a good final outcome. Literature and the main physiopathological mechanisms are reviewed.