What is an important consideration when using a bag-valve-mask (BVM) technique?

• A. Administer a high concentration of oxygen
• B. Ensure a proper seal on the patient's face
• C. Maintain a patient's head in a neutral position
• D. Use a larger mask size for better ventilation

Answer: (B)

When using a bag-valve-mask (BVM) technique, ensuring a proper seal on the patient's face is crucial. A good seal is necessary to prevent air from escaping around the mask, which can lead to inadequate ventilation. If air leaks, the patient won't receive the expected volume of oxygen, and the effectiveness of the ventilations will be compromised. This is particularly vital in emergency situations where timely and effective intervention can significantly impact the patient's condition.

Without a proper seal, all efforts to ventilate can be ineffective, and the patient may not receive sufficient oxygen, potentially leading to serious complications. Therefore, maintaining that seal is a fundamental aspect of successful BVM use and is indicative of proper technique and patient care.