Revista española de anestesiología y reanimación
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Rapid-sequence induction (RSI) techniques are designed to reduce the risk of aspiration in cases where risk is high. ISR is often for surgery, particularly under emergency conditions, but is also found in procedures requiring emergency tracheal intubation inside and outside the hospital. ISR techniques have proven safe for reducing the risk of aspiration and providing good conditions for intubation in such situations. ⋯ Precisely because of this last factor and the good results obtained with short-acting opiates, great interest has developed in recent years in RSI that does not use neuromuscular blocking agents. However, conclusive data are unavailable. Studies are often difficult to compare because of small differences in the combination of drugs, the dosing of one or more of them, the route of administration, or because the criteria used to define ideal intubation conditions are different.