Regarding the management of severe local anaesthetic toxicity for a 70 Kg patient, which of the following are correct?.
a) Immediately give an initial intravenous bolus injection of 20% lipid emulsion 100 ml over 1 min.
b) Immediately start and intravenous infusion of 20% lipid emulsion at 1000 ml/h.
c) After 5 min, give a maximum of two repeat boluses of 200 ml.
d) Afer 5 min, continue infusion at 500 ml/h but double rate to 1000 ml/h if toxicity persists.