Which technique is correct when suctioning a patient through an endotracheal tube?
Correct answer: B. Apply suction while withdrawing the catheter
- A. Apply suction while inserting the catheter
- B. Apply suction while withdrawing the catheter
- C. Keep suction applied for 30 seconds
- D. Instil saline before every suction pass
Explanation
The catheter is inserted without suction, and suction is applied during withdrawal while the catheter is rotated. Each pass should be brief, commonly limited to about 10 to 15 seconds, because prolonged suction can cause hypoxemia and trauma.
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About Respiratory Nursing
Covers nursing assessment and management of asthma, chronic obstructive pulmonary disease, pneumonia, tuberculosis, pleural disorders and respiratory failure. Key areas include breath sounds, oxygen therapy, airway suctioning, inhaled medicines, arterial blood gases and the difference between hypoxia, hypoxemia and carbon dioxide retention.
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