bucking

bucking

Usage notes: (informal)

1 gagging, coughing.

2 involuntarily resisting positive pressure ventilation in a patient with an endotracheal tube in place.

Violent resistance by a patient to intubated ventilation that may cause asynchronous breathing, ergo V/Q mismatching and risk of barotrauma, cardiac arrhythmia, and increased intracranial pressure; the newer ventilatory support devices rarely evoke this reaction, but patients may still require sedation, or narcotics

bucking

Respiratory therapy Violent resistance by a Pt to intubated ventilation that may cause asynchronous breathing, ergo V/Q mismatching and risk of barotrauma, cardiac arrhythmia, and ↑ intracranial pressure; the newer ventilatory support devices rarely evoke this reaction, but Pts may still require sedation, or narcotics. See V/Q mismatch.