This episode provides a comprehensive overview of Rapid-Sequence Intubation (RSI), a vital procedure for securing a patient’s airway. It explores the pharmacology, pharmacokinetics, and safety of medications used in RSI, focusing on pretreatment, induction, and paralysis. Key sedative induction agents such as etomidate, ketamine, and propofol, along with neuromuscular blockers like succinylcholine and rocuronium, are discussed in terms of their benefits, contraindications, and side effects. The episode also highlights the critical role of the emergency department pharmacist in ensuring safe and effective RSI, including medication selection and managing challenges such as drug shortages.