A patient has just been intubated during emergency care. Which finding provides the most reliable immediate evidence that the tube is in the trachea?
Correct answer: C. Continuous waveform capnography showing exhaled carbon dioxide
- A. Equal chest movement on both sides
- B. Auscultated breath sounds over both lungs
- C. Continuous waveform capnography showing exhaled carbon dioxide
- D. A pulse oximeter reading of 96 percent
Explanation
Continuous waveform capnography confirms exhaled carbon dioxide and is the most reliable immediate method for confirming tracheal placement. Chest movement and oxygen saturation can remain present briefly even when the tube is misplaced.
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About Critical Care and Emergency Nursing
Covers rapid assessment and stabilisation of patients with airway obstruction, respiratory failure, shock, cardiac arrest, sepsis, poisoning and major electrolyte disturbances. It includes triage, the ABCDE approach, cardiopulmonary resuscitation, ventilator and monitor care, emergency medicines and distinguishing life-threatening deterioration from stable illness.
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