Board of Legal SpecializationPractice Exam

Using the E-C hand position is crucial for maintaining a proper seal when using a bag-valve-mask (BVM) resuscitator. This technique involves forming a "C" shape with the thumb and index finger of one hand, which helps to hold the mask securely against the patient's face. The other three fingers of the same hand are then positioned along the jawline to provide stability and support, which is essential for an effective seal. This method allows the rescuer to create a tight seal over the nose and mouth, ensuring that the air delivered from the bag is not lost to the environment.

In contrast to this technique, simply using a two-handed method or positioning the mask incorrectly can lead to inadequate ventilation and decreased effectiveness of airway management. While placing the mask above the patient's nose or only on the mouth may seem practical, it would fail to adequately seal off the airway, compromising the delivery of lifesaving breaths. Therefore, the E-C hand position stands out as the recommended approach for securing the mask effectively, enhancing the overall effectiveness of the resuscitation effort.