What is the approximate one-second inspiratory volume for BVM ventilation?

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Multiple Choice

What is the approximate one-second inspiratory volume for BVM ventilation?

Explanation:
The amount you aim to deliver with each BVM breath over about one second is roughly 600 mL. This sits at a practical middle ground for an adult: it provides enough volume to ventilate effectively (helping chest rise) without inflating the stomach or risking lung overdistension. While a lower value like 500 mL is still within the general tidal-volume range, and higher values around 700–800 mL increase the chance of gastric inflation, 600 mL is the commonly used, balanced estimate for one-second inspiration with a BVM.

The amount you aim to deliver with each BVM breath over about one second is roughly 600 mL. This sits at a practical middle ground for an adult: it provides enough volume to ventilate effectively (helping chest rise) without inflating the stomach or risking lung overdistension. While a lower value like 500 mL is still within the general tidal-volume range, and higher values around 700–800 mL increase the chance of gastric inflation, 600 mL is the commonly used, balanced estimate for one-second inspiration with a BVM.

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