Fatal systemic fluorosis due to hydrofluoric acid burns.

A patient with a 70% hydrofluoric acid burn developed systemic dissemination of fluoride ion from a 9% to 10% body surface area exposure on the lower extremities. Severe hypocalcemia and intractable ventricular arrhythmias resulted. This case is the second documented occurrence of hypocalcemia from hydrofluoric acid burns. It is the first case to document myocardial injury and systemic fluorosis from a skin burn.