UPSC-CMS 2020 — Anesthesiology

Question 1: Rapid Sequence Induction is indicated in:

• A. Emergency surgery for intestinal obstruction (Correct Answer)
• B. Cardiopulmonary bypass surgery
• C. Elective open hernia surgery
• D. Elective laparoscopic surgery

Explanation: ***Emergency surgery for intestinal obstruction*** - Rapid Sequence Induction (RSI) is indicated in situations where there is a high risk of **pulmonary aspiration** of gastric contents, such as in **intestinal obstruction**, due to a full stomach or impaired gastric emptying. - The goal of RSI is to achieve rapid intubation while minimizing the risk of aspiration by using a specific sequence of medications and techniques (e.g., cricoid pressure). *Cardiopulmonary bypass surgery* - This is an **elective procedure** where patients are typically fasted and have time for a thorough pre-operative assessment and standard induction. - While significant, it does not inherently carry the same immediate high risk of aspiration as an emergency with a full stomach. *Elective open hernia surgery* - This is an **elective procedure** where the patient can be properly fasted, significantly reducing the risk of a full stomach. - A standard, controlled anesthetic induction is generally preferred, allowing for gradual intubation and ventilation. *Elective laparoscopic surgery* - Similar to elective open surgery, patients undergoing **elective laparoscopic procedures** are properly fasted. - The primary concern in laparoscopic surgery is often related to pneumoperitoneum and its effects, rather than a high aspiration risk during induction if fasting guidelines are followed.