What does capnography measure in post-extubation monitoring?

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Multiple Choice

What does capnography measure in post-extubation monitoring?

Explanation:
Capnography measures the amount of carbon dioxide in the breath, specifically the end-tidal CO2—the CO2 level at the end of an exhaled breath. After extubation, this value shows how effectively ventilation is removing CO2. A stable, normal end-tidal CO2 with a consistent waveform suggests adequate ventilation, while changes can signal hypoventilation, airway obstruction, or respiratory compromise early. Oxygen saturation is about oxygen in the blood (tracked with pulse oximetry), and blood pressure and heart rate are hemodynamic measurements. Capnography, by focusing on CO2 elimination, provides the ventilation status needed in post-extubation monitoring.

Capnography measures the amount of carbon dioxide in the breath, specifically the end-tidal CO2—the CO2 level at the end of an exhaled breath. After extubation, this value shows how effectively ventilation is removing CO2. A stable, normal end-tidal CO2 with a consistent waveform suggests adequate ventilation, while changes can signal hypoventilation, airway obstruction, or respiratory compromise early. Oxygen saturation is about oxygen in the blood (tracked with pulse oximetry), and blood pressure and heart rate are hemodynamic measurements. Capnography, by focusing on CO2 elimination, provides the ventilation status needed in post-extubation monitoring.

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