In infant or child respiratory failure, what happens?

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Multiple Choice

In infant or child respiratory failure, what happens?

Explanation:
In pediatric respiratory failure, the child’s normal compensatory response—rapid, deeper breathing to improve oxygen uptake and CO2 removal—can no longer be sustained. As fatigue sets in or ventilation becomes impaired, the airways don’t move enough air to meet metabolic needs, so oxygen delivery falls (hypoxia) and CO2 begins to accumulate (hypercarbia). This combination reflects a failure of ventilation to compensate, leading toward worsening acidosis. Metabolic alkalosis isn’t the result of respiratory failure, and perfusion can remain adequate early on but does not prevent the gas-exchange failure.

In pediatric respiratory failure, the child’s normal compensatory response—rapid, deeper breathing to improve oxygen uptake and CO2 removal—can no longer be sustained. As fatigue sets in or ventilation becomes impaired, the airways don’t move enough air to meet metabolic needs, so oxygen delivery falls (hypoxia) and CO2 begins to accumulate (hypercarbia). This combination reflects a failure of ventilation to compensate, leading toward worsening acidosis. Metabolic alkalosis isn’t the result of respiratory failure, and perfusion can remain adequate early on but does not prevent the gas-exchange failure.

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