A 44 year-old patient who suffered a cerebral vascular accident has been moved from Neuro-ICU to the step-down unit. He becomes diaphoretic and his SpO2 suddenly drops from 95% to 88% on a 32% tracheostomy collar. His heart rate is 115/min, respiratory rate is 42/min and his breath sounds are very diminished. The respiratory therapist is unsuccessful in attempting to pass a 12 Fr suction catheter. The therapist should
A. increase the suction pressure to 120 mm Hg.
B. change to a 10 Fr suction catheter.
C. replace the tracheostomy tube.
D. orally intubate the patient.
Ans: C. replace the tracheostomy tube.
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