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SVETLANKA909090
3 months ago
12

You are uncertain whether you have successfully intubated a newborn. Which of the following is an indication that the endotrache

al tube is correctly placed in the trachea, and not in the esophagus?
Biology
1 answer:
s2008m [2.3K]3 months ago
5 0

Carbon dioxide detectors indicate expired CO_{2}

Explanation:

  • Capnography measures the expired carbon dioxide (CO_{2} ) level, which closely estimates intra-alveolar CO_{2} . It detects airflow and the weight fraction of CO_{2} in the alveoli, which aids in evaluating OSAS, hypoventilation during rest, and latent pneumonia.
  • An infrared detector positioned over the nose and mouth identifies  CO_{2} in the exhaled air, providing a measure of the air current.
  • Initial indicators are primarily used to confirm the correct placement of an endotracheal tube by showing the presence (indicating proper positioning in the trachea) or absence (indicating esophageal placement) of exhaled  CO_{2}.
  • Even though CO_{2} detectors measure exhaled CO_{2}, designs can vary between specific devices. There are both quantitative and qualitative detectors. Qualitative devices merely indicate the presence or absence of CO_{2}. The simplest unit of this category is the colorimetric detector, which changes color as gas passes through a litmus paper filter in the airway circuit.

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