Hypopnea is defined as?

A. > 10% reduction in airflow for at least 10 seconds with > 1% desaturation on arousal

B. > 20% reduction in airflow for at least 10 seconds with > 2% desaturation on arousal

C. > 30% reduction in airflow for at least 10 seconds with > 3% desaturation on arousal

D. > 40% reduction in airflow for at least 10 seconds with > 4% desaturation on arousal

Correct Answer: > 30% reduction in airflow for at least 10 seconds with > 3% desaturation on arousal

Description: Hypopnea is defined as > 30% reduction in airflow for at least 10 seconds with > 3% desaturation on arousal.

Category: Medicine

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