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

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Maintaining a tight seal on the mask is crucial when using a bag-valve-mask (BVM) device, as a proper seal ensures that the air being delivered to the patient is effectively ventilating their lungs rather than escaping into the environment. A well-fitting mask minimizes the risk of air leakage and maximizes the efficiency of ventilation.

When delivering breaths with a BVM, if the mask does not form a tight seal, the provider cannot achieve adequate ventilation, which can lead to hypoxia or inadequate oxygenation of the patient. The seal is typically achieved by using a combination of techniques such as the "C-E" technique to hold the mask in place, while also ensuring that the mask is appropriately sized for the patient's face to cover both the nose and mouth.

Other considerations, while important in the overall context of using a BVM, do not directly address the primary goal of effective ventilation as maintaining a proper seal does. Minimizing patient movement is relevant in maintaining effective airway management but does not directly affect the quality of ventilation like the mask seal does. Using the smallest mask available can lead to inadequate coverage, and administering high volumes of air may not be necessary or can even be harmful if not done carefully. Therefore, the primary focus should always be

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