While checking the ventilator of a pediatric patient, the therapist observes the following volume-time scalar: What action should the therapist take at this time?

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In general, air leaks are monitored by the difference between the tidal volume delivered by the ventilator and the patient's exhaled tidal volume. Another way to identify an air leak is via flow graphics. Figure 17-19 in the textbook illustrates an air leak on a volume-time scale. In most clinical situations, an air leak greater than 15% of the delivered tidal volume makes volume ventilation difficult.

While Checking the Ventilator of a Pediatric Patient, the Therapist