Individualized dosage.
Induction of anesth Titrate approx 20-40 mg every 10 sec.
Adult <55 yr 1.5-2.5 mg/kg body wt,
>55 yr & patients w/ ASA grades III & IV Require less (total dose may be reduced to a min of 1 mg/kg body wt) & lower rates (approx 20 mg every 10 sec).
Childn >8 yr Approx 2.5 mg/kg body wt. Childn under this age may require higher dose; those w/ ASA grades III & IV require lower dose.
Maintenance of anesth Administer as continuous infusion or repeat bolus inj.
Adult 4-12 mg/kg body wt/hr, may be reduced to approx 4 kg/body wt/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 American Society of Anasthesiologist (ASA) grades III & IV Reduce dose according to severity of condition & anesth technique.
Childn 9-15 mg/kg body wt/hr,
<3 yr May require higher dose. Max duration: 60 min.
Sedation during intensive care Adult 0.3-4 mg/kg body wt/hr by continuous infusion. Max: 4 mg/kg body wt/hr.
Sedation for diagnostic & surgical procedures Adult 0.5-1 mg/kg body wt over 1-5 min for onset of sedation. Maintenance: 1.5-4.5 mg/kg body wt/hr or supplemented by 10-20 mg bolus infusion for rapid increase of sedation depth. Duration must not exceed 7 days.