What is true regarding the use of bag-valve-mask (BVM) resuscitators?

The use of a two-person technique when using a bag-valve-mask (BVM) resuscitator is particularly advantageous because it enhances the ability to achieve a proper seal over the patient's face while simultaneously providing effective ventilation. In this method, one person can maintain an adequate seal with the mask by using a technique known as the "E-C clamp" grip to hold the mask in place, while the second person squeezes the bag to provide breaths. This collaborative approach allows for better control of the airway and ensures that optimal ventilation is delivered, minimizing the risk of air leaks and ensuring that the air reaches the lungs effectively.

Achieving a two-person technique is especially beneficial in situations where time is critical and the patient's airway needs to be managed quickly and effectively. It allows continuous observation of the patient's response to ventilation while ensuring a constant supply of air, thus improving the overall effectiveness of resuscitation efforts.