慢性阻塞性肺病（COPD）是一種進行性肺部疾病，影響著全球數百萬人口。其特徵是持續性氣流受限，並可能嚴重影響患者的生活品質。了解末期COPD的症狀對於患者及其照顧者至關重要，以便他們能夠及時發現疾病何時發展到最嚴重的階段。
End-stage COPD, also known as stage 4 COPD or severe COPD, is the final stage of the disease. At this point, the airflow obstruction is severe, and the symptoms become debilitating.
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