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A-EMCA Theory Exam

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A 68-year-old male with a history of COPD is found in respiratory distress. He is obtunded, has a respiratory rate of 8 breaths per minute, and his skin is cyanotic. Waveform capnography shows a 'shark fin' appearance. What is the most likely cause of this waveform?
Correct Answer:
Bronchospasm

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