Biology · Medical Science and Nursing

After successful endotracheal intubation, which of the following statements about ET tube cuff pressure is most accurate?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Cuff pressure >40 cm H2O is completely safe and effectively prevents tracheal stenosis.
2Cuff pressure is not clinically significant if the tube is fixed well with adhesive tape.
3Cuff pressure should be kept below 20 mmHg or within the 20–30 cm H2O range.✓
4Cuff pressure should be >30 cm H2O to prevent any minor air leak.

Correct answer

Cuff pressure should be kept below 20 mmHg or within the 20–30 cm H2O range.

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