Digoxin toxicity in Thai medical patients: clinical manifestations and an appropriate diagnostic serum level.

This study considers the clinical manifestations and risk factors of digoxin toxicity and establishes an appropriate cut-off serum level for the diagnosis of toxicity. A retrospectivestudy of 125 hospitalized patients whose serum digoxin was assayed in 1998 was conducted. Of the 125 subjects, 42 (33.