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Lidocaine IV (Antiarrhythmic) dosing

Antiarrhythmics · 20 mg/mL · IV Push / Infusion

Calculated, not generated

Weight-based dose

DosePer kgFor 70 kg
low1 mg/kg70 mg
standard1.5 mg/kg105 mg
high1.5 mg/kg105 mg

Bolus over 2-3 min. May repeat 0.5-0.75 mg/kg q5-10 min, max 3 mg/kg. Infusion 1-4 mg/min. Also used for periop analgesia (1.5 mg/kg bolus, 1-2 mg/kg/hr infusion).

Renal & hepatic adjustment

  • Severe (Child-Pugh C)Hepatic clearance reduced in liver disease — reduce infusion rate; risk of systemic toxicity.

Source: ASRA LAST guidance

Evidence A · ACLS VT/VF treatment; periop analgesia meta-analyses

More antiarrhythmics

Get the exact dose for your patient

Vigil computes Lidocaine IV (Antiarrhythmic) for your patient's actual weight — and adjusts for renal or hepatic impairment automatically, with the cited rationale. The number is calculated from a verified database, never guessed.

Decision support for licensed clinicians — not a substitute for clinical judgment. Always verify against the package insert and the patient in front of you.