While preparing to perform endotracheal suctioning on a mechanically ventilated patient, the therapist is alerted to the activation of low-pressure and low-volume alarms. These alarms are mandatory, redundant, and noncanceling. How should the therapist classify this event?
A. Level 4
B. Level 3
C. Level 2
D. Level 1
?ANS: D
A. Incorrect response: A Level 4 event is a patient event not affecting the ventilator-patient interface.
B. Incorrect response: A Level 3 event is a patient event affecting the ventilator-patient interface.
C. Incorrect response: A Level 2 event is a ventilator malfunction that is not immediately life threatening to the patient.
D. Correct response: A Level 1 event describes immediate life-threatening consequences to a ventilator malfunction. The expectation for a Level 1 alarm is that it will warn of every event in time for prompt corrections.
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