What is the appropriate flow rate when delivering medical oxygen to an infant using a bag-mask device with a HEPA filter?

When delivering medical oxygen to an infant using a bag-mask device, the appropriate flow rate should ensure that the infant receives a sufficient concentration of oxygen while preventing difficulty in bag ventilation. In this case, using the highest available flow rate is essential for achieving an effective seal and minimizing the risk of rebreathing exhaled gases, particularly when using a HEPA filter.

Infants are at greater risk of hypoxia, so providing high flow oxygen ensures that they are receiving adequate oxygenation while being ventilated. Additionally, higher flow rates help to flush out any exhaled air quickly, maintaining a proper oxygen concentration during ventilation.

Choosing the highest available flow rate supports the best outcome in such situations, ensuring that oxygen delivery is effective and safe for an infant's sensitive respiratory needs. This is crucial in emergency situations where timely and effective ventilation is necessary for the survival and health of the patient.