Ace the Advanced Cardiovascular Life Support Test 2025 – Pump Up Your Skills and Save Lives!

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When should the use of a capnometer be discontinued?

When the waveform is absent

The use of a capnometer should be discontinued when the waveform is absent. This is critical because the absence of a waveform indicates that there is no carbon dioxide being expelled during exhalation, which could suggest a number of serious issues such as inadequate ventilation, dislodgement of the endotracheal tube, or any obstruction in the airway. Continuous monitoring of exhaled carbon dioxide is essential during resuscitation efforts to ensure effective placement of the airway device and that resuscitation is progressing appropriately. If the capnometer shows a flat line (no waveform), it signifies that further evaluation and interventions are necessary to assess the patient's respiratory status and to confirm or correct the placement of the airway.

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Once intubation is confirmed

At the end of the resuscitation procedure

When the patient's pulse returns

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