In pediatric trauma, what is a key consideration due to higher desaturation risk?

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In pediatric trauma, desaturation happens quickly because children have higher oxygen needs and smaller stores of oxygen in the blood and lungs. Their metabolic rate is higher per kilogram, and their functional residual capacity is small, so any interruption in breathing or airway management can lead to a rapid drop in oxygen levels. This means you must plan to prevent hypoxemia from the start: thorough preoxygenation, minimizing any apnea time during airway procedures, and being ready to ventilate promptly. Use appropriately sized equipment, maintain a clear airway, monitor SpO2 and capnography, and consider strategies that keep the child breathing spontaneously if appropriate to reduce the chance of rapid desaturation. The idea that desaturation risk is lower, or that airway evaluation isn’t needed or that kids tolerate hypoxia better, does not fit pediatric physiology.