What is the cuff inflation volume for an LMA Size #5?

The cuff inflation volume for an LMA (Laryngeal Mask Airway) Size #5 is indeed 40mL. This volume is necessary to ensure an adequate seal is achieved within the laryngeal inlet, preventing the escape of gases during positive pressure ventilation and minimizing the risk of aspiration.

LMA sizes are specifically designed to accommodate a range of patient anatomies and to function effectively based on the size of the airway. The cuff's inflation helps to establish that airtight seal, which is critical for the successful use of the device in both anesthetic and emergency scenarios. It's essential for paramedics and other healthcare providers to be familiar with these parameters for effective airway management in their practice. Proper inflation amounts help in reducing complications and ensuring the patient receives the intended ventilation without obstruction or leakage.

Understanding the proper cuff inflation volume contributes significantly to the effective use of airway devices like the LMA and enhances patient safety during emergency care.