Emergency Department Rapid Sequence Intubation (RSI) Calculator – IWK Drug Information Resource

Pediatric Dosing/Administration Calculator Tools

Emergency Department Rapid Sequence Intubation (RSI) Calculator

Date Thursday, November 13, 2025

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Emergency Department Rapid Sequence Intubation

ketamine (2 mg/kg) IV
Dose
Concentration	10 mg/mL
Volume
Notes/Admin Instructions	Administer IV direct in 1 minute or less. Dose may be repeated if needed after clinical assessment. Maximum: 200 mg/dose.

fentaNYL (1 microgram/kg) IV
Dose
Concentration	50 microgram/mL
Volume
Notes/Admin Instructions	Administer IV direct in 1 minute or less. Dose may be repeated if needed after clinical assessment. Maximum: 100 microgram/dose.

midazolam (0.1 mg/kg) IV
Dose
Concentration	1 mg/mL
Volume
Notes/Admin Instructions	Administer IV direct in 1 minute or less. Dose may be repeated if needed after clinical assessment. Maximum: 10 mg/dose.

propofol (1 mg/kg) IV
Dose
Concentration	10 mg/mL
Volume
Notes/Admin Instructions	Administer IV direct in 1 minute or less. Dose may be repeated if needed after clinical assessment. Maximum: 100 mg/dose.

succinylcholine (1 mg/kg) IV
Dose
Concentration	20 mg/mL
Volume
Notes/Admin Instructions	Administer IV direct in 1 minute or less. Dose may be repeated if needed after clinical assessment. Maximum: 150 mg/dose.

rocuronium (1 mg/kg) IV
Dose
Concentration	10 mg/mL
Volume
Notes/Admin Instructions	Administer IV direct in 1 minute or less. Dose may be repeated if needed after clinical assessment. Maximum: 100 mg/dose.

If no IV Access

ketamine (4 mg/kg) IM
Dose
Concentration	50 mg/mL
Volume
Notes/Admin Instructions	Time to effect is longer then IV route. Maximum: 250 mg/dose.

succinylcholine (3 mg/kg) IM
Dose
Concentration	20 mg/mL
Volume
Notes/Admin Instructions	Time to effect is longer than IV route. Maximum: 150 mg/dose.