Ropivacaine dosing
Local Anesthetics · 0.2-0.5% (2-5 mg/mL) · Nerve Block / Epidural
Calculated, not generatedWeight-based dose
| Dose | Per kg | For 70 kg |
|---|---|---|
| low | 1.5 mg/kg | 105 mg |
| standard | 3 mg/kg | 210 mg |
| high | 3.5 mg/kg | 245 mg |
Less cardiotoxic than bupivacaine. Max ~3 mg/kg.
Renal & hepatic adjustment
- Severe (Child-Pugh C)Amide local — reduced hepatic clearance; lower the maximum dose (LAST risk).
Source: ASRA LAST guidance
Onset, duration & pearls
Onset5-15 min
Duration4-6 hr
Side effects: CNS toxicity, Cardiotoxicity (less than bupivacaine).
- Motor-sparing at low concentrations (0.2%)
- Safer cardiac profile than bupivacaine
Evidence A · Less cardiotoxic profile validated in RCTs
More local anesthetics
Get the exact dose for your patient
Vigil computes Ropivacaine 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.