A client being treated for status asthmaticus initially has…
A client being treated for status asthmaticus initially has loud wheezing and tachypnea. Two hours later, the nurse notes the client is increasingly fatigued, is using fewer accessory muscles, and breath sounds are barely audible bilaterally. SpO₂ has dropped from 94% to 86% on supplemental oxygen. Which finding is most concerning and indicates impending respiratory failure?
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