IV General anaesth Adult Induction Titrate (20-40 mg every 10 sec) against response until onset of anaesth. Usually 1.5-2.5 mg/kg in adult <55 yr.
200 mg/20 mL amp Total dose may be reduced to min 1 mg/kg or less in older patient & in patient w/ ASA grades III & IV, especially w/ impaired cardiac function.
500 mg/50 mL vial Total dose may be reduced to min of 1 mg/kg in adult >55 yr, & in patient w/ ASA grades III & IV, especially w/ impaired cardiac function.
Maintenance Via repeat bolus inj: Increments of 25-50 mg according to clinical requirement. Via continuous infusion: 4-12 mg/kg/hr.
Childn >1 mth Induction Titrate slowly against response until onset of anaesth. Usually 2.5 mg/kg in patient >8 yr. Dose requirements may be higher (2.5-4 mg/kg) in younger childn 1 mth to 3 yr.
Maintenance Via continuous infusion: 9-15 mg/kg/hr. Dose requirements may be higher in childn 1 mth to 3 yr. Lower dose is recommended for ASA III & IV patient.
Sedation in ICU 0.3-4 mg/kg/hr via continuous infusion.
Sedation for diagnostic & surgical procedures Adult Usually 0.5-1 mg/kg over 1-5 min.
Maintenance Titrate to the desired level of sedation, usually 1.5-4.5 mg/kg/hr. May be supplemented by bolus administration of 10-20 mg if a rapid increase of the depth of sedation is required. Lower doses & reduced rate of administration may be required in patient >55 yr & patient of ASA grades III & IV.
Childn >1 mth Usually 1-2 mg/kg.
Maintenance Titrate to the desired level of sedation, usually 1.5-9 mg/kg/hr. May be supplemented by bolus administration of up to 1 mg/kg if a rapid increase of the depth of sedation is required.