IV Individualized dosage.
Induction of anesth Titrate approx 20-40 mg every 10 sec.
Adult <55 yr 1.5-2.5 mg/kg,
>55 yr & patients w/ American Society of Anethesiologist (ASA) grades III & IV Total dose may be reduced to a min of 1 mg/kg at approx (2 mL) 20 mg every 10 sec.
Childn Initially
3 mg/kg,
>8 yr Approx 2.5 mg/kg.
Maintenance of anesth Administer as continuous infusion or repeat bolus inj.
Adult 4-12 mg/kg/hr. May be reduced to approx 4 mg/kg/hr during less stressful surgical procedures. May also be given as repeat bolus inj w/ dose increments of 25-50 mg according to clinical requirements.
Elderly, patients w/ unstable general condition, impaired cardiac function or hypovolemia & patients of ASA grades III & IV Reduce dose according to severity of condition & anesth technique.
Childn 9-15 mg/kg/hr,
<3 yr May require higher dose. Max duration: 60 min.
Sedation during intensive care Adult 0.3-4 mg/kg/hr by continuous infusion. Max: 4 mg/kg/hr.
Sedation for diagnostic & surgical procedures Adult 0.5-1 mg/kg over 1-5 min for onset of sedation. Maintenance: 1.5-4.5 mg/kg/hr. May be supplemented by 10-20 mg bolus infusion for rapid increase of depth of sedation. Max duration: 7 days.