Indications And Dose
Cardiopulmonary resuscitation (as an alternative if amiodarone is not available) ▶BY INTRAVENOUS INJECTION ▶Adult: 1 mg/kg, do not exceed 3 mg/kg over the first hour Ventricular arrhythmias, especially after myocardial infarction in patients without gross circulatory impairment ▶INITIALLY BY INTRAVENOUS INJECTION ▶Adult: 100 mg, to be given as a bolus dose over a few minutes, followed immediately by (by intravenous infusion) 4 mg/minute for 30 minutes, then (by intravenous infusion) 2 mg/minute for 2 hours, then (by intravenous infusion) 1 mg/minute, reduce concentration further if infusion continued beyond 24 hours (ECG monitoring and specialist advice for infusion), following intravenous injection lidocaine has a short duration of action (lasting for 15–20 minutes). If an intravenous infusion is not immediately available the initial intravenous injection of 100 mg can be repeated if necessary once or twice at intervals of not less than 10 minutes Ventricular arrhythmias, especially after myocardial infarction in lighter patients or those whose circulation is severely impaired ▶INITIALLY BY INTRAVENOUS INJECTION ▶Adult: Initially 50 mg, to be given as a bolus dose over a few minutes, followed immediately by (by intravenous infusion) 4 mg/minute for 30 minutes, then (by intravenous infusion) 2 mg/minute for 2 hours, then (by intravenous infusion) 1 mg/minute, reduce concentration further if infusion continued beyond 24 hours (ECG monitoring and specialist advice for infusion), following intravenous injection lidocaine has a short duration of action (lasting for 15–20 minutes). If an intravenous infusion is not immediately available the initial intravenous injection of 50 mg can be repeated if necessary once or twice at intervals of not less than 10 minutes
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