HMMM
Handy Medical Math Machine

Rapid Sequence Intubation (RSI)

Source: general framework of anaesthesia/emergency practice · Last reviewed: Jul 2026

1
7 P's

Preparation of equipment & drugs.

2

Preoxygenation (100% O₂ for 3–5 min or 8 deep breaths).

3

Pretreatment when specific indications apply.

4

Paralysis + induction given simultaneously.

5

Optimal position for laryngoscopy.

6

Confirm tube placement — capnography mandatory, not auscultation alone.

7

Post-intubation care.

Drug Choices (full doses in Drug & Fluid menu)

CategoryChoice
Induction — stablePropofol
Induction — hypotension/shock riskEtomidate or ketamine
Neuromuscular blockerSuccinylcholine or rocuronium

If Intubation Fails

Enter the Difficult Airway Algorithm.

Specific doses depend on patient condition (haemodynamics, comorbidities) and local hospital protocol.