In the asthma yellow zone, which PEF range corresponds to caution and the need to step up monitoring?

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Multiple Choice

In the asthma yellow zone, which PEF range corresponds to caution and the need to step up monitoring?

Explanation:
Peak expiratory flow (PEF) monitoring uses color-coded zones to guide action. The range that signals caution and the need to step up monitoring is when PEF is 50-79% of the personal best. In this yellow zone, airway obstruction is present but not life-threatening, so you increase monitoring, reassess symptoms, and typically use the rescue inhaler as prescribed while contacting or following up with a clinician if readings or symptoms persist. Green zone (80-100%) means good control, with no change in plan, while red zone (0-49%) indicates a medical emergency requiring urgent care. So the 50-79% range best fits the caution and monitoring-up step described in the question.

Peak expiratory flow (PEF) monitoring uses color-coded zones to guide action. The range that signals caution and the need to step up monitoring is when PEF is 50-79% of the personal best. In this yellow zone, airway obstruction is present but not life-threatening, so you increase monitoring, reassess symptoms, and typically use the rescue inhaler as prescribed while contacting or following up with a clinician if readings or symptoms persist.

Green zone (80-100%) means good control, with no change in plan, while red zone (0-49%) indicates a medical emergency requiring urgent care. So the 50-79% range best fits the caution and monitoring-up step described in the question.

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