<sod >The nurse, Daniela Poggiali, is accused of injecting one patient with a fatal dose of potassium after the 78-year-old patient, who was admitted to hospital with a routine illness, died unexpectedly.< eod>< sod > The nurse, Daniela Poggiali, is accused of injecting a 78-year-old patient, Rosa Calderoni, with a fatal dose of potassium when she was admitted to hospital in Lugo in the province of Ravenna with a condition related to diabetes, according to the Italian newspaper Libero Quotidiano.< eod>