Emphysema (disambiguation)

Last revised by Rohit Sharma on 19 Feb 2023

Emphysema refers to any disease process involving an abnormal accumulation of air/gas in the tissues. When used alone, it is usually taken to mean the lung disease, pulmonary emphysema, which forms part of the spectrum of chronic obstructive pulmonary disease (COPD)

Many conditions, usually with an infective etiology, are more commonly expressed as an "emphysematous -itis" form.

*extremely rare: case reports only

History and etymology

Emphysema is first recorded in 1661 as a borrowing from New Latin, and derived from the Greek 'emphysema' meaning a swelling. Emphysema is itself derived from εμφυσαν (emphysan) "to inflate", formed ultimately from φυσαω (physa), meaning "to blow" 2.

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